Fix Windows Security Module Service Not Running
You open Windows Security and see a message that the service isn't running. The shield icon in th...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Enable Windows Defender via Command Prompt
If Windows Defender is disabled on your system—often due to group policy, third-party antivirus, ...
Fix Windows Activation Module Not Found Error 0x8007007b
When you see "Windows activation module not found" with error code 0x8007007b, Windows cannot loc...
Fix Windows 10 Activation Error 0xc004f074: DNS Issues
If you see error 0xc004f074 during Windows 10 activation, it usually means the system can't reach...
How to Fix Microsoft Store Loading Forever on Windows 10
You click the Microsoft Store icon, but instead of the app opening, you see a spinning circle or ...
Visual Studio Installer Configuration Failed After Restart: Fix
After restarting your computer to complete a Visual Studio installation or update, you might see ...
Topic paths
Quick titles
How to Resolve SSH Host Key Verification Failed on Windows 10How to Fix Microsoft Store Error 0x80073cf3How to Recover from Chrome Profile CorruptionFix Windows Update Error 0x800f0831 on a Metered NetworkWindows Defender Authentication Failed Error FixFix DNS Server Not Responding for Windows UpdateHow to Fix Microsoft Store Backup Not Restoring All AppsUbuntu VS Code Terminal Permission Denied Troubleshooting