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

Microsoft Store Troubleshooting Checklist: Fix Common Issues

If you're having trouble downloading apps, installing updates, or launching the Microsoft Store, ...

Fix Windows Activation Blocked by Firewall

If Windows activation fails with an error about a blocked firewall, your PC likely can't reach Mi...

How to Fix kubectl Context Not Found Error

Fix Windows Defender Error 0x80073b01

If you see error code 0x80073b01 when opening Windows Defender or trying to run a scan, it usuall...

Change Remote Desktop Listening Port to Avoid Conflicts

If you cannot connect to a remote computer because another application is using port 3389, or you...

Fix Windows Security Won't Turn On Real-Time Protection

You click the toggle to enable real-time protection in Windows Security, but it switches back off...