Question about Compaq Presario S4020WM PC Desktop

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The NTVDM CPU has encountered an illegal instruction

This error message pops up when windows is loaded.

16 bit MS-DOS Subsystem
The NTVDM CPU has encountered an illegal instruction.
CS:0562 IP:02ac OP: 63 6f 6c 6f 72
Choose close to terminate the application
(Two option buttons close or ignore)

When I go to google and do a search to search results show up but when I go to click on any link to any website I get redirected to search engine and it takes me to a web page that has nothing to do with what I was searching for.
I tried to do a system restore but I am not able to. I also can't go to any antispyware web sites.

Is there anyway I can fix this problem?

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  • Shaftwell Jan 29, 2009

    I would like to get rid of it before doing the fresh install. If there is another way besides reinstalling windows.



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  • 83 Answers

It is a virus on your computer by the sound of it, to do a fresh install, when you initally turn the computer on, put the disc in and hit either F8 or F2, maybe F10, dependant on what it says on the inital start up screen, change the boot option to disk then you can reinstall

Posted on Jan 25, 2009


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