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

Fix kubectl Apply Forbidden in AKS: Permission Denied

Fix Ubuntu apt Lock Stuck Waiting for It to Disappear

If you see 'Waiting for it to disappear' when running apt commands on Ubuntu, another apt process...

Fix Windows Defender 504 Gateway Timeout Error

You open Windows Security and see a '504 Gateway Timeout' error. This usually means Windows Defen...

Fix Microsoft Store Blank Screen Loading Issue

When you open Microsoft Store and only see a blank white or gray screen, the app isn't loading co...

Fix 'systemd service failed to start unit not found' Error

When you run systemctl start myapp.service and get Failed to start myapp.servi...