The mscoree.dll missing error in Windows 11 prevents programs from running correctly and typically indicates problems with Microsoft .NET Framework components. This guide covers multiple solutions to get your system working properly again.
Method 1: Enable and repair NET Framework
The most direct way to fix mscoree.dll issues is by properly configuring the .NET Framework through Windows Features. This method has the highest success rate since the file is a core component of the framework.
- Search for “Windows Features” in the Start menu and click “Turn Windows features on or off”
- Find “.NET Framework 3.5” and click the “+” symbol to expand it
- Enable all options under .NET Framework 3.5, then expand “.NET Framework 4.8 Advanced Services”
- Select all items under .NET Framework 4.8 and click “OK”
- Restart your computer when prompted
If the graphical interface doesn’t work, you can use Command Prompt:
- Open Terminal as administrator from the Start menu
- Confirm the UAC prompt
- Select Command Prompt from the dropdown menu
- Run this command:
DISM /Online /Enable-Feature /FeatureName:NetFx3 /All
- Execute these additional commands:
DISM /Online /Enable-Feature /FeatureName:WCF-HTTP-Activation
DISM /Online /Enable-Feature /FeatureName:WCF-NonHTTP-Activation
Method 2: Reinstall affected software
When the error occurs with specific programs, a clean reinstall often resolves the issue:
- Open Settings through Start menu or Windows+I
- Navigate to Apps section
- Select Installed apps
- Find and uninstall the problematic program
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