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

How to Clear PowerShell Module Cache on Windows 10

If PowerShell modules fail to load, show outdated versions, or cause errors after updates, a corr...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

Fix Windows Security 404 Error & Missing Files

If you see a 404 error in Windows Security or get messages about missing files, the Security Cent...

Fix Nginx 502 Bad Gateway Behind Cloudflare

If you're seeing a 502 Bad Gateway error on a site that uses both Nginx and Clou...

Fix Microsoft Teams High CPU Usage on Mac

If your Mac’s fans spin up and the system feels sluggish while Microsoft Teams is open, you’re li...

Fix Microsoft Teams Token Expired by Clearing Cache

If you see a 'token expired' or 'sign-in error' message in Microsoft Teams, it often means the st...