0x80131500SystemHigh

Error 0x80131500 — System Exception (.NET COR_E_SYSTEM) | Windows System Error Fix

Windows 11Windows 10Windows 8.1

What Does 0x80131500 Mean?

A system-level exception occurred in the .NET Framework runtime.

Real-World Causes

1Critical .NET runtime failure
2Corrupted .NET Framework installation
3Incompatible CLR version loaded
4Memory corruption affecting .NET runtime

Symptoms

⚠.NET application crashes with system exception
⚠Multiple .NET applications fail simultaneously
⚠CLR (Common Language Runtime) errors in Event Viewer
⚠Application pools in IIS crash repeatedly

DIY Fix

Beginner-friendly steps you can try at home

1Repair .NET Framework using the .NET Framework Repair Tool from Microsoft
2Run 'sfc /scannow' to fix corrupted .NET system files
3Reinstall .NET Framework from Windows Features
4Restart the computer

Advanced Fix

For experienced users and IT professionals

1Completely remove and reinstall .NET Framework (for standalone versions)
2Run 'DISM /Online /Cleanup-Image /RestoreHealth'
3Check for .NET hotfixes on the Microsoft Update Catalog

Frequently Asked Questions

How do I repair .NET Framework?

Download the '.NET Framework Repair Tool' from Microsoft. It automatically diagnoses and fixes common .NET issues. For .NET 3.5, use DISM: 'DISM /Online /Enable-Feature /FeatureName:NetFx3 /All'. For .NET 4.x, reinstall from Microsoft's website.

Related Error Codes

0x80131509Exception (.NET COR_E_EXCEPTION)0x80131534File Not Found (.NET COR_E_FILENOTFOUND)

About the Author

Windows Troubleshooting Team

Verified against official Microsoft documentation and real-world diagnostic data. Error behavior confirmed across Windows 10, Windows 11, and Windows Server.