"%ProgramFiles%\Windows Defender\MpCmdRun.exe" -SignatureUpdate -MMPC
, keep in mind that Microsoft Defender versions move very quickly; newer versions are always better as they contain the most up-to-date threat data. How to Download and Update "%ProgramFiles%\Windows Defender\MpCmdRun
Delete all files and folders inside this directory (you may need to grant administrator permission). "%ProgramFiles%\Windows Defender\MpCmdRun