How to fix corrupted .NET Framework issues

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Updated onOctober 21, 2024

updated onOctober 21, 2024

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How to repair .NET Framework in Windows 10

NET Frameworkis a runtime environment and programming framework that’s essential for running some software. Thus, a .NET Framework error messagemight pop up in Windows when you run certain software if .NET gets corrupted. For example, one .NETerror messagestates:Microsoft.NET FrameworkError: Unhandled exception has occurred in your application.

If you suspect that.NET Frameworkis corrupted on your Windows laptop or desktop, check out some of the potential resolutions below.

SOLVED: .NET Framework file corruption problems

1. Run a System File Checker Scan

Some.NET Frameworkversions are integrated within Windows. Thus, running aSystem File Checker, whichfixes corrupted system files, might also repair.NET Framework. You can run an SFC scan as follows inWindows 10or 8.1.

— RELATED:Full Fix: Windows Driver Frameworks uses too much CPU

2. Open the .NET Framework Repair Tool

TheMicrosoft .NET Framework Repair Toolis a utility for repairing.NET Framework. That’s certainly a utility worth noting for fixing a corrupted.NET Framework. ClickDownloadonthis pageto save the utility to Windows. Then open NetFxRepairTool from the folder you downloaded it, and click theNextbutton to initiate the repairs.

3. Repair .NET Framework via Programs and Features

This is a fix more specifically for earlier Windows platforms, such asWindows XP, that don’t include so many built-in .NET versions. The Programs and Features applet lists .NET Frameworkversions installed via Windows Update in older Windows platforms. If you’ve installed any older.NET Framework versionmanually, you might also find it listed in Control Panel’s Programs and Features. If so, you can select aChange/Uninstalloption to repair corrupted .NET Framework versions.

— RELATED:Fix: .NET Framework 3.5 is Missing From Windows 10

4. Reinstall .NET Framework

Reinstalling .NET Framework will get rid of the corrupted versions. Then you can replace the corrupted.NET Framework versionsby reinstalling them. This is how you can quickly uninstall all .NET versions with the .NET Framework Cleanup Tool and then reinstall them.

So that’s how you can fix corrupted.NET Frameworkin Windows. In addition, check for Windows updates that might provide .NET updates with theCheck for updatesbutton in Settings.

Fixing corrupted.NET Frameworkwill ensure you can run all software that needs it. You may also run into similar issues when a critical DLL file like themscorlib.dll is missingor damaged.

How to fix corrupted .NET Framework issues#

How to repair .NET Framework in Windows 10#

SOLVED: .NET Framework file corruption problems#

1. Run a System File Checker Scan#

2. Open the .NET Framework Repair Tool#

3. Repair .NET Framework via Programs and Features#

4. Reinstall .NET Framework#