
Checklist for Fixing Command Prompt Startup Issues
If Command Prompt won't open, closes immediately, or shows an error on startup, the cause is ofte...

If Command Prompt won't open, closes immediately, or shows an error on startup, the cause is ofte...

You try to open Windows Security (Windows Defender) and see a network error like “Something went ...

You open Microsoft Store to download an app or update, and it either hangs on a loading screen or...

You open Windows Security, go to Virus & threat protection, and see that the Real-time protection...

If you see an error like "The search indexer version does not match" or search stops working, it ...

If you see "Authentication failed" when opening Windows Defender or trying to run a scan, it usua...