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

How to Fix BitLocker Pre-Boot Authentication Not Working

You enter your PIN or password at boot, but BitLocker skips the prompt and boots directly to Wind...

Fix 'Run PowerShell Script Command Not Found' Error

When you run a PowerShell script and see “The term ‘’ is not recognized as the name o...

Fix GitHub Actions Cache Action Permission Denied Error

How to Check Which Process Is Using a Port in PowerShell

When a service fails to start or an application complains that a port is already in use, you need...

Fixing Windows Security 502 Bad Gateway: Configuration Steps

When Windows Security throws a 502 Bad Gateway error, it usually means the app can't reach its ba...

Fix BitLocker Blank Screen After BIOS Update

If you’ve updated your BIOS and now see a blank screen with no boot, you’re likely in a BitLocker...