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

How to Clear Windows Update Cache When Stuck

If Windows Update is stuck at a certain percentage or taking forever to check for updates, a corr...

Fix Windows Activation Authentication Failed After Hardware Change

After upgrading your PC's motherboard, CPU, or other major hardware, Windows may display an activ...

Fix 'Module Not Found' in Python Virtual Environments

Fix Windows Defender Proxy Error Not Working

You launch Windows Defender Security Center or try to run a scan, and you see a proxy error—somet...

How to Fix Git Push Rejected (Non-Fast-Forward)

You run git push and get a rejection: ! [rejected] main -> main (non-fast-forwar...