The NTVDM has encounter an illegal instruction

romp4ck used Ask the Experts™

I got error message this morning:

I've tried to search some solution but not working.
Anyone got solution?
Watch Question

Do more with

Expert Office
EXPERT OFFICE® is a registered trademark of EXPERTS EXCHANGE®
Does it happen everytime you start your computer? Did you try restart? Do you need logcmd to run, or can you live without it? Have you had a look at the event log in Administrative Tools, maybe the NTVDM failed for another reason all together?
Download MalwareBytes Anti-Malware ( and scan with it. I am not sure what is causing logcmd.exe to error, but this scan should help. If this scan doesn't return anything, then scan with the online Kaspersky Scanner based at:

Hope it helps.
seems a conflict occured with the math education software with the system. i run hijack this and delete the command, restart and the error message gone.

Do more with

Expert Office
Submit tech questions to Ask the Experts™ at any time to receive solutions, advice, and new ideas from leading industry professionals.

Start 7-Day Free Trial