c: \ windows \ system32 \ muauclt.exe

My computer prompted the emergence of the total “c:\ windows \ system32 \ muauclt.exe ntvdm cpu encountered an invalid command.CS:0547 IP:0102 OP:63 75 6D 65 6E to choose to terminate the closure of the application” I do not know what the problem Very slow machine

muauclt.exe non-process system, your computer should be a poisoning, first proposed Anti-Virus.Friends, do not worry , I give you a suggestion.
1, mounted a security guard, in this website.
2, the first of its plug-in and clear the vicious killing popular Trojan virus killing your machine.
3, click the Start menu, click Run, type Msconfig, carriage returns, and then click Start option, do you think there are start-up of suspects removed, and then determine, and then re-starting.
4, if the final Or not, you start the guardian of security, click Advanced Options and then click Advanced tools, paper mill, and then click to the c:\ windows \ system32 \ muauclt.exe to crush it.

You look at the line Not?