
Fix Windows Security Not Starting After Update
After a Windows update, you might find that Windows Security won't open, or it shows a blank wind...
Software troubleshooting desk

After a Windows update, you might find that Windows Security won't open, or it shows a blank wind...

If you see a "504 Gateway Timeout" error when running Windows Update, and your system uses a prox...

You open the Start menu or File Explorer search and nothing shows up, or you see 'Indexing paused...

You reinstall Windows, enter your product key, and get an error: “This product key does not match...

You try to run sfc /scannow in PowerShell and get an error like "Service unavailable...

You changed your Windows password and now scheduled tasks fail with “authentication failed” error...