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

How to Fix Windows Security Blank Screen Issue

When you open Windows Security and see only a blank white or black screen, the app isn't loading ...

How to Fix Windows Update Error 404 Not Found

You see error 404 when checking for updates in Windows Update. This usually means the update serv...

Fixing GitHub Actions Permission Denied for Git Commands

Windows Defender Exclusions for Gaming Performance

If your games stutter, take long to load, or feel sluggish, Windows Defender might be scanning ga...

How to Fix PowerShell Execution Policy Error

When you try to run a PowerShell script and get an error like ... cannot be loaded because ...