Python exception handling: ImportError and ModuleNotFoundError (2023)

Make your way through our detailedPython exception handlingSeries we've arrived atImportError, along with its only child subclass ofModuleNotFoundError. ÖImportErrorwill be canceled if aimportThe statement has problems importing the specified module successfully. Usually this problem occurs due to an invalid or incorrect path generating anModuleNotFoundErrorin Python 3.6 and newer.

In this article, we examine theImportErroreModuleNotFoundErrorwith a bit more detail starting with where they sit overallPython exception class hierarchy. We'll also look at some simple code examples that illustrate the differences inimportStatement errors in newer (3.6) and older (2.7) versions of Python, so let's get started!

the technical summary

All Python exceptions inherit fromBaseExceptionclass or from a class inherited from it. The complete exception hierarchy for this error is:

Complete code sample

Below is the complete code example that we will use in this article. It can be copied and pasted if you want to play around with the code and see how it all works.

# outer_import_2.7.py
Import system
import gw_utility.Book

def principal():
experiment:
print(sys.version)
except ImportError as error:
# Expected output from ImportErrors.
print(error.__class__.__name__ + ": " + error.message)
except exception as exception:
# Throw unexpected exceptions.
print(Exception, false)
print(Exception.__Class__.__Name__ + ": " + Exception.Message)

se __name__ == "__main__":
a director()

# inner_import_2.7.py
Import system

def principal():
experiment:
print(sys.version)
import gw_utility.Book
except ImportError as error:
# Expected output from ImportErrors.
print(error.__class__.__name__ + ": " + error.message)
except exception as exception:
# Throw unexpected exceptions.
print(Exception, false)
print(Exception.__Class__.__Name__ + ": " + Exception.Message)

se __name__ == "__main__":
a director()

# outer_import_3.6.py
Import system
import gw_utility.Book
en gw_utility.logging import Logging

def principal():
experiment:
logging.log (sys.version)
except ImportError as error:
# Expected output from ImportErrors.
Logging.log_exception (Error)
# Include the name and path attributes in the output.
Logging.log(f'error.name: {error.name}')
Logging.log(f'error.path: {error.path}')
except exception as exception:
# Throw unexpected exceptions.
Logging.log_exception(Exception, False)

se __name__ == "__main__":
a director()

# inner_import_3.6.py
Import system
en gw_utility.logging import Logging

def principal():
experiment:
logging.log (sys.version)
import gw_utility.Book
except ImportError as error:
# Expected output from ImportErrors.
Logging.log_exception (Error)
# Include the name and path attributes in the output.
Logging.log(f'error.name: {error.name}')
Logging.log(f'error.path: {error.path}')
except exception as exception:
# Throw unexpected exceptions.
Logging.log_exception(Exception, False)

se __name__ == "__main__":
a director()

# log.py
Import math
Import system
Import tracking

Class registration:
separador_character_default = '-'
separador_length_default = 40

@Class method
def __output(cls, *args, sep: str = ' ', end: str = '\n', file=None):
"""Prints the value(s) passed to the console.

:param args: Values ​​to be output.
:param sep: String inserted between values, a space by default.
:param end: String appended after the last value, default is a newline.
:param file: A file-like object (stream); the default is the current sys.stdout.
:back: None
"""
print(*args, set=set, end=end, file=file)

@Class method
def line_separator(cls, Wert: str = None, Länge: int = separator_length_default,
char: str = separador_character_default):
"""Prints a line separator with the entered text centered in the middle.

:param value: Inserted text to be centered.
:param length: Total length of the delimiter.
:param char: delimiter.
"""
output = value

# If no value is passed, the delimiter for the output length.
if value == None oder len(value) == 0:
output = f'{characters * length}'
elif len(value) < length:
# Update the length based on the length of the insert minus a space for the margin.
length -= length(value) + 2
# Halve the length and bottom on the left.
left = math.floor(Länge / 2)
right = left
# If the number is odd, add the discarded remainder on the right.
if length % 2 != 0:
right += 1

# Circumferential insert with tabs.
output = f'{auto*left}{value}{character*right}'

cls.__output(output)

@Class method
def log(cls, *args, sep: str = ' ', end: str = '\n', file=None):
"""Prints the value(s) passed to the console.

:param args: Values ​​to be output.
:param sep: String inserted between values, a space by default.
:param end: String appended after the last value, default is a newline.
:param file: A file-like object (stream); the default is the current sys.stdout.
"""
cls.__output(*args, set=set, end=end, file=file)

@Class method
def log_exception(cls, exception: BaseException, expected: bool = True):
"""Prints the BaseException passed to the console, including traceback.

:param exception: A BaseException to throw.
:param expected: Determines whether BaseException was expected.
"""
output = "[{}] {}: {}".format('EXPECTED' se esperado senão 'UNEXPECTED', type(exception).__name__, exception)
cls.__output(output)
exc_type, exc_value, exc_traceback = sys.exc_info()
traceback.print_tb(exc_traceback)

When should you use it?

the apparently simpleimportThe statement found in Python is actually quite complex when you look under the hood. At the most basic level, aimportThe statement is used to perform two tasks. It first tries to find the named module, loads and initializes it if necessary. It also automatically sets a name in the local namespace within the scope of the map.importExplanation. This local name can then be used to refer to the called module in scoped code below.

DuringimportInstruction is the most commonly used technique to gain access to the code of other modules, Python offers others as wellmethods and functionsthat make up the built-in import system. Developers can use certain features to have finer control over the import process.

Let's stick to the usual for our code examplesimportStatement most of us are used to. As mentioned in the introduction, the behavior in the event of a failureIt is importantdiffers depending on the version of Python. To illustrate, let's start with theouter_import_2.7.pyArchive:

# outer_import_2.7.py
Import system
import gw_utility.Book

def principal():
experiment:
print(sys.version)
except ImportError as error:
# Expected output from ImportErrors.
print(error.__class__.__name__ + ": " + error.message)
except exception as exception:
# Throw unexpected exceptions.
print(Exception, false)
print(Exception.__Class__.__Name__ + ": " + Exception.Message)

se __name__ == "__main__":
a director()

ÖOutsidePrefix to filename indicates we are testing an "external" or global scopeimportexplanation ofgw_utility.Book. Running this code produces the following output:

Traceback (last most recent call):
Arquivo "C:\Users\Gabe\AppData\Local\JetBrains\Toolbox\apps\PyCharm-P\ch-0\172.3968.37\helpers\pydev\pydevd.py", linha 1599, in <module>
globals = debugger.run(setup['file'], None, None, is_module)
Arquivo "C:\Users\Gabe\AppData\Local\JetBrains\Toolbox\apps\PyCharm-P\ch-0\172.3968.37\helpers\pydev\pydevd.py", Zeile 1026, ausgeführt
pydev_imports.execfile(file, global, local) # Run the script
Arquivo "D:/work/Airbrake.io/Exceptions/Python/BaseException/Exception/ImportError/outer_import_2.7.py", Linha 3, in <module>
import gw_utility.Book
ImportError: No module named Book

The general problem here is that thegw_utility.BookModule does not exist. Actually the correct modulelowercase letters:gw_utility.book. Sinceimport-Declaration is at the top of the file, it exists outside of oursTry - exceptblock, then dieImportErrorwe get in the log is not captured - execution stopped completely when the error was thrown.

Alternatively, let's look at what happens when we move theimportstatement within aTry - exceptblock as seen ininner_import_2.7.py:

# inner_import_2.7.py
Import system

def principal():
experiment:
print(sys.version)
import gw_utility.Book
except ImportError as error:
# Expected output from ImportErrors.
print(error.__class__.__name__ + ": " + error.message)
except exception as exception:
# Throw unexpected exceptions.
print(Exception, false)
print(Exception.__Class__.__Name__ + ": " + Exception.Message)

se __name__ == "__main__":
a director()

Running this code - even with Python 2.7 - produces the same thingImportError, but we can capture them and further process the capturedImportError, if necessary:

2.7.14 (v2.7.14:84471935ed, 16. September 2017, 20:25:58) [MSC v.1500 64 Bit (AMD64)]
ImportError: No module named Book

ÖModuleNotFoundErrorwas added in Python 3.6 as a subclass ofImportErrorand an explicit reference to the same type of error that we saw in the 2.7 code above. For example, let's look at the exteriorimportExample in Python 3.6 withouter_import_3.6.py:

# outer_import_3.6.py
Import system
import gw_utility.Book
en gw_utility.logging import Logging

def principal():
experiment:
logging.log (sys.version)
except ImportError as error:
# Expected output from ImportErrors.
Logging.log_exception (Error)
# Include the name and path attributes in the output.
Logging.log(f'error.name: {error.name}')
Logging.log(f'error.path: {error.path}')
except exception as exception:
# Throw unexpected exceptions.
Logging.log_exception(Exception, False)

se __name__ == "__main__":
a director()

We do that here tooimportthe endTry - exceptblock, so running this code stops execution and produces the following output:

Traceback (last most recent call):
Arquivo "C:\Users\Gabe\AppData\Local\JetBrains\Toolbox\apps\PyCharm-P\ch-0\172.3968.37\helpers\pydev\pydevd.py", linha 1599, in <module>
globals = debugger.run(setup['file'], None, None, is_module)
Arquivo "C:\Users\Gabe\AppData\Local\JetBrains\Toolbox\apps\PyCharm-P\ch-0\172.3968.37\helpers\pydev\pydevd.py", Zeile 1026, ausgeführt
pydev_imports.execfile(file, global, local) # Run the script
Arquivo "C:\Users\Gabe\AppData\Local\JetBrains\Toolbox\apps\PyCharm-P\ch-0\172.3968.37\helpers\pydev\_pydev_imps\_pydev_execfile.py", linha 18, kein arquivo exec
exec(compile(content+"\n", file, 'exec'), glob, loc)
Arquivo "D:/work/Airbrake.io/Exceptions/Python/BaseException/Exception/ImportError/outer_import_3.6.py", Linha 3, in <module>
import gw_utility.Book
ModuleNotFoundError: No module named "gw_utility.Book"

The cause of this error is exactly the same as in version 2.7, but it is more specific in 3.6+ModuleNotFoundErrornow it is time. Also, we can detect these errors when theimportruns within aTry - exceptContext:

# inner_import_3.6.py
Import system
en gw_utility.logging import Logging

def principal():
experiment:
logging.log (sys.version)
import gw_utility.Book
except ImportError as error:
# Expected output from ImportErrors.
Logging.log_exception (Error)
# Include the name and path attributes in the output.
Logging.log(f'error.name: {error.name}')
Logging.log(f'error.path: {error.path}')
except exception as exception:
# Throw unexpected exceptions.
Logging.log_exception(Exception, False)

se __name__ == "__main__":
a director()

With this code we can generate the Python version and handle the error:

3.6.3 (v3.6.3:2c5fed8, 3.Oktober 2017, 18:11:49) [MSC v.1900 64 Bit (AMD64)]
[EXPECTED] ModuleNotFoundError: No module named "gw_utility.Book"
error.name: gw_utility.Book
error.path: None

We also exhibitNameeAwayattributes ofImportErrorobject added in Python 3.3 to specify the name of the module that was attempted to be imported, along with the path to the file that threw the exception, if applicable. In this case, our code is fairly simple, so unfortunately none of the attributes are particularly useful.

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Written by Frances Banks

FAQs

How do you fix ModuleNotFoundError and ImportError? ›

Python's ImportError ( ModuleNotFoundError ) indicates that you tried to import a module that Python doesn't find. It can usually be eliminated by adding a file named __init__.py to the directory and then adding this directory to $PYTHONPATH .

How do I fix the ImportError No module named error in Python? ›

This can happen if you've misspelled the module name, or if you're trying to import a module that's not in your Python path. To fix this, make sure you're using the correct module name, and that the module is in your Python path (or at least in your project directory where you're executing your main . py file from.)

How do I fix ModuleNotFoundError in Python? ›

In the case of the title, the "module named Python" cannot be found.
...
How to fix the ModuleNotFoundError in Python
  1. Make sure imported modules are installed. Take for example, numpy . ...
  2. 2. Make sure modules are spelled correctly. ...
  3. 3. Make sure modules are in the right casing. ...
  4. 4. Make sure you use the right paths.
Sep 12, 2022

What does ImportError mean in Python? ›

This error generally occurs when a class cannot be imported due to one of the following reasons: The imported class is in a circular dependency. The imported class is unavailable or was not created. The imported class name is misspelled. The imported class from a module is misplaced.

What is the difference between ImportError and ModuleNotFoundError? ›

The ImportError is raised when an import statement has trouble successfully importing the specified module. Typically, such a problem is due to an invalid or incorrect path, which will raise a ModuleNotFoundError in Python 3.6 and newer versions.

Why can't i import Python module? ›

This is caused by the fact that the version of Python you're running your script with is not configured to search for modules where you've installed them. This happens when you use the wrong installation of pip to install packages.

Why do I keep getting a no file exist error in Python? ›

The Python FileNotFoundError: [Errno 2] No such file or directory error is often raised by the os library. This error tells you that you are trying to access a file or folder that does not exist. To fix this error, check that you are referring to the right file or folder in your program.

How do I resolve ImportError no module name? ›

If you are facing python importerror: no module named error then to get rid of this error you just need to create __init__.py in the appropriate directory and everything will work fine.

How do you solve ImportError Cannot import name? ›

  1. The Python "ImportError: cannot import name" often occurs when we have circular imports (importing members between the same files).
  2. To solve the error, move the functions or classes to a third file and import them from a central location in other files.

How do I import a module into Python? ›

How to create and import a module in Python?
  1. Step 1) Create a file and name it test.py.
  2. Step 2) Inside test.py create a function called display_message() ...
  3. Step 3) Now create another file display.py.
  4. Step 4) Inside display.py import the moduletest.py file, as shown below: import test. ...
  5. Step5)
Jan 14, 2023

How do I fix Python path? ›

End of dialog window.
  1. Right click on My Computer and click on properties.
  2. Click on Advanced System settings.
  3. Click on Environment Variable tab.
  4. Click on new tab of user variables.
  5. Write path in variable name.
  6. Copy the path of Python folder.
  7. Paste path of Python in variable value. Click on Ok button: Click on Ok button:

How to import a file in Python? ›

If you have your own python files you want to import, you can use the import statement as follows: >>> import my_file # assuming you have the file, my_file.py in the current directory. # For files in other directories, provide path to that file, absolute or relative.

How does Python handle file exception? ›

To handle the exception, we have put the code, result = numerator/denominator inside the try block. Now when an exception occurs, the rest of the code inside the try block is skipped. The except block catches the exception and statements inside the except block are executed.

How do I install all Python modules? ›

Procedure
  1. Install launcher for all users.
  2. Add Python to the PATH.
  3. Install pip (which allows Python to install other packages)
  4. Install tk/tcl and IDLE.
  5. Install the Python test suite.
  6. Install py launcher for all users.
  7. Associate files with Python.
  8. Create shortcuts for installed applications.

How do I import a file from the same folder in Python? ›

Make an empty file called __init__.py in the same directory as the files. That will signify to Python that it's "ok to import from this directory". The same holds true if the files are in a subdirectory - put an __init__.py in the subdirectory as well, and then use regular import statements, with dot notation.

What does __ init __ file do in Python? ›

At its core, the __init__.py file is a file that is used to mark a directory as a Python package. Every directory that contains code that you want to be able to import as a simple Python package needs to contain an __init__.py. This includes subdirectories of directories that already have an __init__.py file in them.

What is the use of __ init __ py in Python? ›

The __init__.py files are required to make Python treat directories containing the file as packages. This prevents directories with a common name, such as string , unintentionally hiding valid modules that occur later on the module search path.

How do I import a module from another directory in Python? ›

The most Pythonic way to import a module from another folder is to place an empty file named __init__.py into that folder and use the relative path with the dot notation. For example, a module in the parent folder would be imported with from .. import module .

Why are imports so hard in Python? ›

Imports are difficult because there are so many factors interacting with each other to make things work when they shouldn't, and make things fail/get a warning when they should not.

Can you manually import a module in Python? ›

There are various methods that can be used to import the module by using its full path: Using sys. path. append() Function.

Why is it discouraged to import from a module Python? ›

Using import * in python programs is considered a bad habit because this way you are polluting your namespace, the import * statement imports all the functions and classes into your own namespace, which may clash with the functions you define or functions of other libraries that you import.

How do I check if an executable file exists in Python? ›

To check if an existing file is executable, use os. access(path, mode), with the os. X_OK mode. Value to include in the mode parameter of access() to determine if path can be executed.

How do you get input in Python without getting EOF error? ›

How EOFError can be overcome? We overcome this problem by using keywords like try() and except() in Python. This is referred to as Exception Handling.

How do I check if a file path exists in Python? ›

How to Check if a File Exists Using the Path.is_file() Method in Python. The is_file() method checks if a file exists. It returns True if the Path object points to a file and False if the file doesn't exist. Since the example.txt file exists in the specified path, the is_file() method returns True .

How do I fix a cv2 error in Python? ›

Regarding modulenotfounderror no module named cv2 This error may occur if you didn't install opencv module in your system. So first check this module is available or not. If it is not available, then install this module. But before that, try to check numpy module is available or not.

How do I resolve the unable to import module error that I receive when I run Lambda code in Python? ›

This is because Lambda isn't prepackaged with all Python libraries. To resolve this, create a deployment package or Lambda layer that includes the libraries that you want to use in your Python code for Lambda. Important: Make sure that you put the library that you import for Python inside the /python folder.

Why is import cv2 not working? ›

importerror no module named cv2 error occurs when cv2 module is not properly installed or its path is not properly set or configured. The straight-way fix for this error (no module named cv2) is to reinstall this module (OpenCV-python). In some scenario reinstalling this module automatically remove the older version.

How do I fix Importerror attempted relative import without known parent package? ›

How to fix the "Importerror attempted relative import with no known parent package" error in Python? The solution to this problem is easy. Before advancing to the body of the Python program, programmers first create a Python file with their setup name; then make that package global so they can easily access it.

What error is caused by importing an unknown module Python? ›

A ModuleNotFoundError is raised when Python cannot successfully import a module.

How do I fix name errors in Python? ›

The NameError can be avoided by using a technique called Exception Handling. Even if we write code without any SyntaxError, the program can result in runtime errors. These are called Exceptions. There are numerous built-in exceptions available in Python, and One such exception is NameError Exception.

Which are the 3 different ways to import modules in Python? ›

Different ways to import module.
  • Using the import statement.
  • Using from clause.
  • Using from clause and *

Which are the three different ways to import module in Python? ›

The 4 ways to import a module
  • Import the whole module using its original name: import random.
  • Import specific things from the module: from random import choice, randint.
  • Import the whole module and rename it, usually using a shorter variable name: import pandas as pd.
Apr 21, 2021

What are the three types of import statement in Python? ›

There are generally three groups:
  • standard library imports (Python's built-in modules)
  • related third party imports (modules that are installed and do not belong to the current application)
  • local application imports (modules that belong to the current application)

How do I get the full Python path? ›

An absolute path is also known as the full path and starts with / in Linux and macOS and C:/ on Windows. To find an absolute path in Python you import the os module then you can find the current working directory using os. path. abspath("insert-file-name-here") in your Python script.

How do I make a Python path executable? ›

In the section entitled User Variables, double-click on the entry that says Path. Another window will pop up showing a list of paths. Click the New button and paste the path to your Python executable there. Once that's inserted, select your newly added path and click the Move Up button until it's at the top.

How do I manually add Python to path? ›

The complete path of python.exe can be added by:
  1. Right-clicking This PC and going to Properties.
  2. Clicking on the Advanced system settings in the menu on the left.
  3. Clicking on the Environment Variables button o​n the bottom right.
  4. In the System variables section, selecting the Path variable and clicking on Edit.

What is the best way to import in Python? ›

Imports Style Guide
  1. Keep imports at the top of the file.
  2. Write imports on separate lines.
  3. Organize imports into groups: first standard library imports, then third-party imports, and finally local application or library imports.
  4. Order imports alphabetically within each group.

How do I import a TXT file into Python? ›

Importing Data In Python
  1. Txt Files (.txt) import numpy as np. ...
  2. Csv Files (.csv) import pandas as pd. ...
  3. Pickle Files (.pkl) import picklewith open('data.pkl', 'rb') as file: ...
  4. Excel Files ( .xlsx ) import pandas as pdfile = 'datafile.xlsx' data = pd.ExcelFile(file)print(data.sheet_names)

Does importing a Python file run it? ›

When you import a module in Python, all the code in it will be run, and all the variables in that module will be stuck on that module object.

Do I need to import exception Python? ›

The exceptions module provides the standard exception hierarchy. It's automatically imported when Python starts, and the exceptions are added to the _ _builtin_ _ module. In other words, you usually don't need to import this module.

What is the difference between exception handling and file handling? ›

June 22, 2021. Files are identified locations on a disk where associated data is stored. Working with files will make your programs fast when analyzing masses of data. Exceptions are special objects that any programming language uses to manage errors that occur when a program is running.

How exception is handled while opening file in Python? ›

Handling Exceptions

Exceptions are handled with a “try – except” block. This provides another branching structure (kind of like if) – a way for different code to run depending on what happens in a code block. The try: block is code that you want to “try” to run. In this case, it's opening and processing a file.

How to install all Python packages with pip? ›

The easiest way to update all packages in a Windows environment is to use pip in conjunction with Windows PowerShell:
  1. Open a command shell by typing 'powershell' in the Search Box of the Task bar.
  2. Enter: pip freeze | %{$_.split('==')[0]} | %{pip install --upgrade $_}
Jan 5, 2023

How to install pip library in Python? ›

Ensure you can run pip from the command line
  1. Securely Download get-pip.py 1.
  2. Run python get-pip.py . 2 This will install or upgrade pip. Additionally, it will install setuptools and wheel if they're not installed already. Warning.

How do I install all Python packages in requirements txt? ›

Use the pip install -r requirements.txt command to install all of the Python modules and packages listed in your requirements.txt file.

How do I import data from one file to another in Python? ›

Reading line by line
  1. Open the file1 , which has content in reading mode.
  2. Open the file2 in writing mode.
  3. Use for in loop to go through every line in file1 and write to file2 .
  4. Content is written to file2 .
  5. Close both the files.

How do I transfer data from one Python file to another? ›

Python Program to Copy One File to Another File
  1. Open one file called test. txt in read mode.
  2. Open another file out. txt in write mode.
  3. Read each line from the input file and write it into the output file.
  4. Exit.

How do I import and run another Python file? ›

To run one Python file from another, you can use the exec function or the subprocess module. This will execute the code in other.py as if it were written in the main.py file.

How do you solve Importerror Cannot import name? ›

  1. The Python "ImportError: cannot import name" often occurs when we have circular imports (importing members between the same files).
  2. To solve the error, move the functions or classes to a third file and import them from a central location in other files.

How do I resolve Importerror no module name? ›

If you are facing python importerror: no module named error then to get rid of this error you just need to create __init__.py in the appropriate directory and everything will work fine.

How do you fix Importerror DLL load failed the specified module could not be found? ›

importerror: dll load failed: The specified module could not be found error occurs because of the incompatibilities of Microsoft Visual C++ (Visual Studio) versions. The best way to fix this error (importerror: dll load failed) is to reinstall/ install the Microsoft Visual C++ distribution.

How can I fix Importerror DLL load failed the specified module could not be found in Python 3? ›

Reinstall Library. In most cases, the error occurs when you import a library. The cause of the error may be incorrect/incomplete installation or incompatibility of the library. In this case, you can try reinstalling the library to see whether the problem can be solved.

How do I import a local module into Python? ›

How to import local modules with Python
  1. Definitions.
  2. Example.
  3. 1st solution: add root to sys.path.
  4. Relative import.
  5. 2nd solution: run as a module.
  6. Run as a module on Visual Code.
  7. 3rd solution : modify PYTHONPATH.
  8. 4rd solution (outdated): install in editable mode.
May 9, 2021

How do I manually fix dll errors? ›

dll errors. If the User32. dll error message appeared during or after you installed a program, a hardware component, or a driver, uninstall the program, the hardware component, or the driver. Then restart Windows, and reinstall the program, the hardware component, or the driver.

How do I fix a missing DLL file? ›

How to Fix DLL Files Missing Problems on Windows
  1. Solution one: Re-install the software. ...
  2. Solution two: Run malware scanning. ...
  3. Solution three: Use system file checker. ...
  4. Solution four: Check for Windows Update. ...
  5. Solution five: System Restore.

How do I get rid of dll error? ›

How to Fix DLL "Not Found" & "Missing" Errors
  1. Restart your computer. ...
  2. Restore the deleted DLL file from the Recycle Bin. ...
  3. Recover the deleted DLL file with a free file recovery program. ...
  4. Run a virus/malware scan of your entire system. ...
  5. Use System Restore to undo recent system changes.
Nov 1, 2022

How do I fix Regsvr32 the module failed to load? ›

Common solutions for Regsvr32 errors
  1. Open an elevated command prompt.
  2. If the 32-bit DLL is in the %systemroot%\System32 folder, move it to the %systemroot%\SysWoW64 folder.
  3. Run the following command: %systemroot%\SysWoW64\regsvr32 <full path of the DLL>

Why would a dll fail to load? ›

This error has the following causes and solutions: The file isn't on the proper path. Ensure the DLL is on the Windows System path. The DLL is corrupted or was deleted.

Why am I getting file not found error in Python? ›

The Python FileNotFoundError: [Errno 2] No such file or directory error is often raised by the os library. This error tells you that you are trying to access a file or folder that does not exist. To fix this error, check that you are referring to the right file or folder in your program.

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