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

How to Fix Git Authentication Failed in VS Code

You're in VS Code, push or pull fails with "Authentication failed"—this is common and...

Windows Defender Real-Time Protection Greyed Out: How to Fix

If you open Windows Security and see the real-time protection toggle greyed out, you can't tu...

Fix Nginx Permission Denied for Static Files

Common Causes

When Nginx returns a 403 Forbidden or 'permission denied' error for...

Fix Windows 11 Update Stuck at 0% with Clean Boot

You start a Windows Update, but it sits at 0% for minutes or hours. This can happen after a faile...

Fix Windows Update Error 0x80070002: Repair Steps

Windows Update error 0x80070002 usually means the system can't find a required file. This oft...

How to Fix a Detached HEAD with Git Reset --hard

You're working in Git, and suddenly you see a warning: You are in 'detached HEAD...