First find the NTRtScan.exe file
in C:\Program Files\Trend Micro\Security Server\PCCSRV\Pccnt
Right Click on it to check the version.

If you have 7.6.0.1095 then you need the patch (not sure about other versions, call Trend)


Use TMTouch.exe to force clients to update to 7.6.0.1161