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

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

Fix Microsoft Store SSL Certificate Error on Windows 11

When you open Microsoft Store on Windows 11 and see an error like "SSL certificate error" or "A p...

How to Fix Windows Security Real-Time Protection Not Turning On

If you see that Windows Security's real-time protection is stuck off and won't turn on, you're no...

Fix Missing Windows Security After Update

After a Windows update, you might find that Windows Security (formerly Windows Defender) is missi...

How to Enable PowerShell Script Execution Policy

When you try to run a PowerShell script and see an error like … cannot be loaded because ru...