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

Remote Desktop Not Working After Windows Update: Fixes

You update Windows, reboot, and suddenly Remote Desktop won't connect. This is a common frustrati...

Fix Microsoft Store Error 502 Bad Gateway After Update

After a recent Windows update, you open the Microsoft Store and see 'Error 502 – Bad Gateway'. Th...

Windows Defender Token Expired: How to Fix It

If you see a message that your Windows Defender token has expired, it usually means the security ...

How to Fix Windows Defender 504 Timeout Error

You open Windows Security or try to run a scan, and instead see a 504 timeout error. This typical...

Enable Windows Defender Command Line Tools: A Practical Guide

If you need to run Windows Defender scans or update definitions from the command line, you'll use...

Fix 'ffmpeg command not found' in PHP exec()