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

Fix Error 0x80070080 When Windows Update Stuck

You see error 0x80070080 and Windows Update hangs at a certain percentage. This usually means a p...

Fix Windows 11 Update Stuck at 0% – BITS Service Issues

You click 'Check for updates' in Windows 11, and it sits at 0% for minutes or hours. Ofte...

Fix Remote Desktop Connection Blocked by Firewall

When you try to connect to a remote PC using Remote Desktop (RDP) and get an error like “Remote D...

Fixing Node Sass Build Failures on Linux

How to Fix Git Index Lock File Exists Error

If you see an error like fatal: Unable to create 'path/to/repo/.git/index.lock': Fi...