CLR Error 80004005 in Windows: Easy & Advanced Ways to Fix It

Fix & Repair Solved issue

Question asked by:

Charm L.


What is an error code 80004005?


I've experienced an error code 80004005 (CLR) do you have any idea how to fix it?
It happens when I try to launch several different apps or games...

Thank you!
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CLR Error 80004005 is a common challenge Windows users face, often surfacing when launching applications or during update downloads.
Unlike random glitches, this error is rooted in specific aspects of the Windows operating system, particularly involving the .NET Framework1. This guide provides an in-depth exploration of CLR Error 80004005, its origins, and comprehensive solutions for resolving it which are for both beginners and experienced PC users.

What is a CLR Error 80004005?

CLR Error 80004005 is tied to the Common Language Runtime (CLR)2, a vital part of Microsoft’s .NET architecture. Responsible for managing application lifecycles in the .NET Framework, CLR ensures the smooth operation of the whole PC and other programs. Its occurrence signals a disruption, often pointing to issues within the .NET environment on the user’s computer. 

Sometimes when your .NET Framework is malfunctioning you can get an error called 0x800f080c as well.

This error, extending beyond Windows versions, emphasizes its connection to the framework rather than the operating system, so it can happen on all versions — 7, 8, 10, and even Windows 11.
The .NET Framework creates a controlled environment for software on Windows, but also other issues like corrupted files or conflicts can lead to the CLR error.

Now let’s see how the error happens and how we can fix it!

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What Triggers CLR Error 80004005? 

Most of the time the causes circle back to problems with the .NET Framework’s functionality.
So the error is triggered by malfunction in .NET Framework one way or another.

Resolving this error often involves ensuring that this framework is correctly installed and up-to-date on your Windows system.
It may also require checking for any software conflicts and verifying the integrity of system files to ensure the error never occurs.

TL;DR: Quick Ways to Fix CLR Error 80004005 in Windows

Simply put, you can try to:

  • Update your .NET Framework.
  • Or reinstall your Windows .NET Framework via Control Panel.

This usually works, but not always. So now let’s see some easy and advanced ways to fully resolve this issue.

3 Beginner-friendly Ways to Resolve CLR Error 80004005

Try applying these 3 easy solutions to solve the CLR error manually.

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1. Update the .NET Framework

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Ensuring your .NET Framework is up-to-date guarantees that you have the most recent version, potentially containing resolutions for CLR Error 80004005.

  1. Search for “Control Panel” in Windows and navigate to Programs.
  2. Choose “Turn Windows features on or off.”
  3. Activate .NET Framework 3.5 (includes .NET 2.0 and 3.0).
  4. Subsequently, enable .NET Framework 4.8 Advanced Services by selecting it and clicking the plus icon.
  5. Ensure ASP.NET 4.8 is also enabled.
  6. Click OK to apply the changes.

2. Execute the .NET Framework repair tool

The .NET Framework Repair Tool is capable of automatically identifying and resolving problems within .NET Framework installations.

  1. Download the Microsoft .NET Framework Repair Tool from the official Microsoft website.
  2. Launch the tool and choose NetFxRepairTool.exe, then proceed by clicking Next.
  3. Double-click on the file to initiate the repair process.
  4. When prompted, confirm that you have read and accepted the license terms, then click Next.
  5. Windows will automatically diagnose and repair identified issues.
  6. Restart your computer if the process doesn’t occur automatically.

3. Check for any new Windows updates

Applying the latest version by performing Windows updates can address fundamental system issues leading to CLR Error 80004005.

  1. Enter “Updates” in the Windows search bar and press Enter.
  2. Click on “Check for updates” in the results.
  3. Allow Windows to download and install all the files.
  4. If optional updates are accessible, install them too.
  5. Restart your system.

3 Advanced Solutions to Fix the CLR Error

If those 3 easy solutions didn’t work out — don’t give up just yet. Let’s try these 3 more advanced ways to potentially fix the issue.

1. Conduct SFC and DISM scans to fix PC files

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Corrupted system files frequently contribute to a variety of errors. To tackle this issue, employ commands in an elevated Command Prompt.

  1. Enter “cmd” in the Windows search bar.
  2. Right-click on the Command Prompt result and choose “Run as administrator.”
  3. When the User Account Control (UAC) window appears, click “Yes.”
  4. In the Command Prompt window, paste the following command and hit Enter:
  5. Allow the scan to finish.
  6. After the SFC scan, execute the following set of DISM commands one by one, pressing Enter after each:
  7. Once the DISM commands are completed, restart your PC.

2. Initiate a Clean Boot on your computer

Executing a clean boot initiates Windows with a basic set of drivers and startup programs, aiding in the identification of any background programs causing the error.

  1. Type “msconfig” in the Windows search and press Enter.
  2. Navigate to the Services tab and check the “Hide all Microsoft services” box.
  3. Click on “Disable all.”
  4. Proceed to the Startup tab and open Task Manager.
  5. Right-click on each non-Windows entry in the Task Manager and choose “Disable.”
  6. Close Task Manager.
  7. Go to the Boot tab and select “Safe boot.”
  8. Restart your computer.
  9. Check for the occurrence of CLR Error 80004005. If it does not appear, one of the disabled items may be the cause.
  10. To identify the problematic service or program, gradually re-enable services and startup items one at a time or in small groups.
  11. After each change, restart your computer to verify if the error reappears.

3. Initiate the restoration of Windows to a previous point (last resort)

If the error has emerged recently, reverting Windows to a prior state when the error was absent is one way to fix the problem.

  1. Enter “Create a restore point” in Windows search and press Enter.
  2. Navigate to System Restore and click Next.
  3. Select the “Show more restore points” option if available.
  4. Choose a time when the issue did not exist and click Next.
  5. Complete the process – your device will restart.

While CLR Error 80004005 can disrupt normal Windows operations, understanding its connection to the .NET Framework is crucial information to help you fix the issue.
And we truly hope that by now you managed to solve it!

However, to address the CLR Error 80004005 in Windows quickly and effectively, we also advise you to use the software suggested below for an automatic resolution of any software-related issues you might be encountering with your computer system.

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If your Common Language Runtime 80004005 errors are still not fixed — feel free to reach out to us via email and share your problem.

  1. What is .NET Framework? — [↩]
  2. CLR explained — via [↩]
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About the author
Jack Palentino - Expert Author, QA

Jack works at from the beginning. He’s been a colleague with the owner Iggy & who consulted people with their PC issues for years.

He fixed and custom-developed various Windows apps. And now Jack is overlooking the QA processes on WindowsGuided and writes expert guides on various PC error fixes.