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

Fix Windows Defender Credential Loop: Step-by-Step

You try to open Windows Defender or run a scan, and it keeps asking for your admin password or PI...

How to Reinstall Windows Defender in Windows 10

Windows Defender (now called Microsoft Defender Antivirus) is built into Windows 10 and typically...

Fix Gradle Build: Could Not Find or Load Main Class

When a Gradle build fails with Could not find or load main class, it usually means t...

How to Fix Git Push Rejected Non-Fast-Forward Error

You run git push and see: ! [rejected] main -> main (non-fast-forward). Thi...

Fix Chrome 502 Bad Gateway Error When Using a VPN

You're browsing with a VPN active, and Chrome suddenly shows a 502 Bad Gateway e...

How to Fix BitLocker Module Not Found or Permission Denied Errors