Updating Windows Defender signatures (only) on Windows 8, 7 and XP (via: twm’s blog)
Posted by jpluimers on 2014/04/08
Based on Updating Windows Defender signatures (only) » twm’s blog (thanks Thomas!), I found it would not work on all my Windows systems.
So I wrote a small batch file that works on my Windows 8.x, 7 and XP systems:
setlocal
set MpCmdRun="%ProgramFiles%\Microsoft Security Client\Antimalware\MpCmdRun.exe"
if exist %MpCmdRun% goto :found
set MpCmdRun="%ProgramFiles%\Microsoft Security Client\MpCmdRun.exe"
if exist %MpCmdRun% goto :found
set MpCmdRun="%ProgramFiles%\Windows Defender\MpCmdRun.exe"
if exist %MpCmdRun% goto :found
goto :notfound
:found
%MpCmdRun% -SignatureUpdate -MMPC
goto :endlocal
:notfound
echo cannot find MpCmdRun.exe on your system
echo find it yourself, then run it like this:
echo MpCmdRun -SignatureUpdate -MMPC
:endlocal
endlocal
–jeroen
The Wiert Corner - irregular stream of stuff 
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