
Windows Security Login Loop Configuration Guide
You sign in to Windows, but instead of your desktop, you get the Windows Security login prompt ag...
Software troubleshooting desk

You sign in to Windows, but instead of your desktop, you get the Windows Security login prompt ag...

You open Outlook and see an error: "Cannot connect to your email server" or "Outlook cannot conne...

You type MpCmdRun.exe -Scan -ScanType 2 or another Defender command in Command Promp...

You double-click Command Prompt (cmd.exe) and a black window flashes on screen—then disappears. T...

If you see a DNS error in Windows Security (like "DNS server not responding" or "DNS resolution f...

If you're seeing a download in the Microsoft Store stuck at 0% or a partial percentage on your Ma...