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

Fix Windows Activation High CPU Usage After Update

After a Windows update, some users notice that the System process or a service called sppsvc.exe ...

Fix Windows Defender Service Not Starting (Error 404)

If you see error 404 when trying to start Windows Defender, it usually means the service executab...

Fix Remote Desktop Certificate Error 0x80090322

When connecting to a remote desktop, you might see error 0x80090322. This usually appears as a me...

Fix Windows Defender 502 Bad Gateway: Tool Usage Tips

When Windows Defender returns a 502 Bad Gateway error, it usually means the security intelligence...

Fix Microsoft Store App Stuck on Pending Download

When you try to install or update an app from the Microsoft Store and it sits on 'Pending' indefi...

MongoDB Authentication Failed: Administrator Checklist