Knowledge base for software setup, errors, and daily tool work.

Fix Maven Dependency Resolution Failed in IntelliJ

Fix 'ffmpeg command not found' in Docker Container

If you see ffmpeg: command not found when running a Docker container, ffmpeg is simp...

Fix Windows Security Network Error: Not Connecting

If you see “Windows Security network error not connecting” when trying to access network resource...

Fix Windows Defender Proxy Error 0x80070422

If you see error 0x80070422 when opening Windows Defender or running a scan, it usually means the...

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...

Fix Windows Update Token Expired Permission Denied

If you see a Windows Update error saying "token expired" or "permission denied," it usually means...