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

Fix Windows Update 502 Bad Gateway Due to DNS Configuration

If you see a '502 Bad Gateway' error when running Windows Update, the problem is often on the net...

How to Fix SSH Permission Denied (Publickey) on Git Push

You try to push a commit and see: Permission denied (publickey). The push fails. Thi...

WinRAR Checksum Error Recovery Checklist

If you see a "Checksum error" in WinRAR, it usually means the archive is damaged or incomplete. T...

Best Windows Security Configuration for Gaming

If you're a gamer, you want your system secure but not bogged down by aggressive security measure...

Fix Remote Desktop 504 Error on Azure VM