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

How to Fix a Blank Screen During Windows Update

You’re waiting for a Windows update to finish, and suddenly the screen goes black. The monitor is...

Fix Remote Desktop 502 Bad Gateway Proxy Issues

You're trying to connect to a remote desktop through a web proxy and you see a 502 Bad Gateway er...

Fix Firefox Not Responding: Disable Hardware Acceleration

If Firefox frequently stops responding, freezes, or shows a "Not Responding" message, hardware ac...

Fix Microsoft Store SSL Certificate Expired Error

You open the Microsoft Store and see an error about an SSL certificate being expired. The store m...

How to Fix Cloudflare Tunnel Not Working After Update