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

Fix OneDrive Sync Errors on Windows 10

OneDrive sync errors on Windows 10 can stop file uploads and downloads, show red X marks, or disp...

How to Fix Command Prompt Using Too Much Memory

Command Prompt (cmd.exe) normally uses very little memory—often under 10 MB. If you see it consum...

Windows Security 502 Bad Gateway: Troubleshooting Checklist

If you see a 502 Bad Gateway error when opening Windows Security, it usually means the app can't ...

UFW Allow Port Not Working After Reboot: Fixes That Actually Work

You added a UFW rule to allow a port, it works fine until you reboot, then the port is blocked ag...

Fix PowerShell 404 Not Found on GET Requests

When you run a PowerShell Invoke-RestMethod or Invoke-WebRequest with t...

Fix 'PowerShell Not Recognized as Internal or External Command'