
Windows Defender Service Troubleshooting Checklist
If Windows Defender won't start, won't update, or shows error messages like "Service stopped" or ...

If Windows Defender won't start, won't update, or shows error messages like "Service stopped" or ...

After a VS Code update, the debugger may stop working—breakpoints ignored, launch configurations ...

When running PowerShell scripts in a CI/CD pipeline (Azure DevOps, GitHub Actions, Jenkins), you ...

If Outlook suddenly won't open, shows error messages about a data file, or you can't see certain ...

If you're stuck in a login loop when connecting to a remote desktop and see error code 0x80070005...

You're trying to install or update Visual Studio, but the installer fails with error code 0x80070...