How to Fix Windows Activation Module Not Found Error
You might see the error "Windows activation module not found" when trying to activate Windows, or...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Security Service Failing to Start on Startup
If Windows Security (Windows Defender) fails to start when you boot your PC, you may see a warnin...
How to Fix Windows Security Version Mismatch Configuration Error
You may see a “version mismatch” or “configuration error” in Windows Security (formerly Windows D...
Fix OBS Black Screen with No Source Detected
If you're seeing a black screen in OBS and the message 'No source detected,' you're not alone. Th...
Fix Microsoft Teams Module Not Found Error by Clearing Cache
If you see a 'module not found' error when starting Microsoft Teams, it's often caused by a corru...
How to Fix Windows Security 404 Not Found Error
If you see a '404 Not Found' error when opening Windows Security (formerly Windows Defender), the...
Topic paths
Quick titles
Where Does macOS Store launchd Plist Files?Resolve OneDrive Sync Timeout ErrorsWindows Terminal Profile JSON Error FixHow to Fix Windows Search Version Mismatch ErrorWindows Store Download Stuck? Fix Without ResetWindows Terminal Offline Install Permission Denied FixResolve Terminal Service Unavailable ErrorFix Windows Update Hanging at 100% Complete