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

Fix Windows Defender & Ubuntu Sync Issues on Dual Boot

If you dual-boot Windows and Ubuntu, you might notice that files modified in Ubuntu trigger repea...

How to Fix Windows Update Error 404 Not Found

You see error 404 when checking for updates in Windows Update. This usually means the update serv...

Fix Outlook Backup Restore Permission Denied on Windows 10

When you try to restore an Outlook backup (typically a .pst file) on Windows 10, you might see a ...

How to Fix 'Windows Update Path Not Found' in Command Prompt

UFW Allow Port Range Not Opening: Fixes and Checks

If you've added a UFW rule to allow a range of ports but connections are still being blocked, the...

Resolve 502 Bad Gateway Using Command Line Tools

A 502 Bad Gateway error means a server acting as a gateway or proxy received an invalid response ...