If you get the Windows Defender Error 1297 when you try to launch the app or when running a scan on your Windows 11/10 device, you can try our recommended solutions ...

The utility program MpCmdRun.exe is required to run Windows Defender commands. This file is usually located in the C:\Program Files\Windows Defender folder. Note down ...

If when you attempt to run a Microsoft Defender scan on your Windows 11 or Windows 10 device, but the AV scan fails and you receive the error code 0x8007139f, then ...