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

Fix kubectl apply Forbidden on GKE

Fix Windows Security Blank Screen in Safe Mode

If you boot into Safe Mode and open Windows Security only to see a blank white or gray screen, yo...

PowerShell Stuck Loading Profile Script: How to Fix

You open PowerShell, and it hangs indefinitely before showing the prompt. The title bar says “Loa...

SSH Key Permissions and Ownership: A Troubleshooting Checklist

If you're seeing "Permissions 0644 for 'id_rsa' are too open" or "Bad owner or permissions" when ...

Resolving BitLocker Rate Limit Error via Group Policy

When you see a BitLocker error like "Rate limit exceeded" or "Too many attempts" during encryptio...

Windows Defender Service Not Working in Windows 11: Fixes

If Windows Defender won't start or shows a service error in Windows 11, your system may be unprot...