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

Windows Defender Setup After a Fresh Install

After a fresh Windows install, Windows Defender (now called Microsoft Defender Antivirus) is typi...

How to Fix Windows Update Stuck at 0%

You click Check for updates, and the progress bar sits at 0% for minutes or hours. This is a comm...

Fix Microsoft Teams Blank Screen by Clearing Cache

If Microsoft Teams opens to a blank white or gray screen, or gets stuck on the loading spinner, a...

Fix KMS Activation Error: Port 1688 Already in Use

UFW Allow Port Not Working After Reboot: Fixes That Actually Work

You added a UFW rule to allow a port, it works fine until you reboot, then the port is blocked ag...

Fix 'Chrome Module Not Found' Error on Mac

If you're seeing 'Chrome module not found' on your Mac while working with Node.js, Puppeteer, or ...