
Windows Security Not Opening? Here's How to Fix It
You click the Windows Security icon in the taskbar or try to open it from Settings, but nothing h...
Software troubleshooting desk

You click the Windows Security icon in the taskbar or try to open it from Settings, but nothing h...

You type a filename into the Windows Search box, but nothing shows up—or only old results appear....

You’re trying to send an email in Outlook, but you get a “permission denied” error. The message m...

If Windows Security (formerly Windows Defender) is not scanning for viruses, you may see an error...

If you see ERR_TUNNEL_CONNECTION_FAILED in Chrome on your Mac, it usually means ...

If you're stuck in a Windows Terminal login loop or your settings aren't syncing across devices, ...