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

Fix Windows Defender Real-Time Protection After Clean Boot

You've performed a clean boot to troubleshoot an issue, but now Windows Defender's real-t...

Understanding and Fixing Git Detached HEAD State

If you've seen the message You are in 'detached HEAD' state in Git, you ...

Fix VSCode Source Control Not Detecting Changes

You're working in Visual Studio Code, you edit a file, but the Source Control view shows no c...

Windows 11 Bluetooth Not Finding Devices: Practical Fixes

If your Windows 11 PC suddenly stops detecting Bluetooth devices—like headphones, keyboards, or m...

Fix Blue Screen After Windows 11 Feature Update

After installing a Windows 11 feature update, some users encounter a blue screen error (BSOD) on ...

Fix Nginx 502 Bad Gateway on Docker Ubuntu