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

Fix Nginx 502 Bad Gateway on Docker Ubuntu

Fix ERR_NAME_NOT_RESOLVED on Windows 10

Seeing ERR_NAME_NOT_RESOLVED in Chrome on Windows 10 means your browser can'...

Fix Chrome Sync Not Working Due to Proxy Settings

When Chrome sync stops working, a misconfigured proxy is a common culprit. You might see errors l...

Fix Windows 11 Bluetooth Driver Not Working

You're trying to connect a Bluetooth device in Windows 11, but the toggle is grayed out, devi...

Fix Windows Defender Blocked by Third-Party Antivirus

You open Windows Security and see a yellow warning: "Real-time protection is off. Your device...

Remove Large Files from Git History

If your Git repository is bloated because a large file was committed and later removed, the file ...