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

How to Fix Microsoft Store High Memory Usage

If you notice the Microsoft Store using a lot of memory (often 500 MB or more) even when idle, it...

How to Install an SSL Certificate in Chrome Manually

You may need to manually install an SSL certificate in Chrome when testing a local development si...

Fix Microsoft Teams Connection Timeout and Permission Denied

If you see "connection timeout" or "permission denied" when launching Microsoft Teams, the app ca...

Fix Windows Activation SSL Certificate Error Not Working

You're trying to activate Windows, but you see an SSL certificate error and activation fails. Thi...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

How to Fix Cloudflare 522 Error After Changing DNS

If you see a 522 error after changing DNS records in Cloudflare, it means Cloudflare can't reach ...