
How to Reinstall the Windows Security App (Microsoft Defender)
If the Windows Security app (Microsoft Defender) is missing, won’t open, or shows errors, reinsta...
Software troubleshooting desk

If the Windows Security app (Microsoft Defender) is missing, won’t open, or shows errors, reinsta...

You're trying to activate Windows, but you see an SSL certificate error and activation fails. Thi...

If you notice that cmd.exe is using a lot of memory—sometimes hundreds of megabytes—it's usually ...

When running DISM /Online /Cleanup-Image /RestoreHealth, you may see error 0x8007371...

You open Chrome on your Windows 10 PC and see a warning like "Your connection is not private"...

If you see 'Windows Search token expired' in Outlook 2016, it usually means the search index is c...