
Fix Windows Security Service Failing to Start on Startup
If Windows Security (Windows Defender) fails to start when you boot your PC, you may see a warnin...
Software troubleshooting desk

If Windows Security (Windows Defender) fails to start when you boot your PC, you may see a warnin...

If you run a Windows Defender scan and it stalls at the same percentage every time—often 85%, 93%...

If you're stuck on a sign-in screen or see an error like “Something went wrong” when trying to lo...

If you're seeing a "502 Bad Gateway" or "Gateway Timeout" when trying to connect to a remote desk...

You open Task Manager and see Windows Terminal using 20–40% CPU even when idle. This usually poin...

You try to update Windows, but the update hangs or fails with an activation error. The update may...