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

Fix 'Windows Update Service Not Running Permission Denied'

When you try to run Windows Update and see an error like 'The Windows Update service is not runni...

Fixing WinRAR Checksum Errors When Extracting RAR Archives

You're extracting a RAR archive and WinRAR stops with a "checksum error" message. This usually me...

Fix Windows Activation 502 Bad Gateway via Command Prompt

When you try to activate Windows and see a 502 Bad Gateway error, it usually means the activation...

Fix Windows Security Service Stopped Working in Windows 10

If you see a notification that the Windows Security service has stopped working, your antivirus o...

Fix Windows Update Migration Stuck Due to Low Disk Space

You start a Windows feature update, it downloads and prepares, but then hangs at the migration ph...

Windows Update High CPU Usage Troubleshooting Checklist