I keep getting the following message
16 bit MS-DOS Subsystem
The NTVDM CPU has encountered an illegal instruction
CS:11f7 IP:012d OP:f0 62 74 71 13 Choose 'Close' to terminate the application.
If I choose close it disappear for a couple of seconds then it will appear again. but if I choose ignore the above disappear but I'm left with the MS -DOS window 'C:\Windows\System32\wuauclt.exe.