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

UFW Firewall Rules Not Applying to Docker Containers: Fixes

You've set up UFW rules to restrict traffic, but Docker containers still connect freely. This is ...

Fix Windows Terminal Blank Screen After Sleep

If you wake your Windows PC from sleep and find Windows Terminal showing only a black or blank sc...

Fix Microsoft Store 504 Timeout: Step-by-Step Troubleshooting

If you see a 504 Gateway Timeout error when opening or downloading from the Micr...

Windows Activation Network Error Troubleshooting Checklist

When you see a network error during Windows activation, it usually means your PC can't reach Micr...

Fix Windows Activation Path Not Found After Motherboard Change

After swapping your motherboard, Windows may fail to activate and show an error like "Windows act...

BitLocker DNS Error 0x80072f8f: Causes and Fixes