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Vista - NTVDM has encountered an illegal instruction

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Old 11-07-2008   #1 (permalink)
Ozztally


 
 

NTVDM has encountered an illegal instruction

Using Windows Vista Business.
Trying to open Microsoft Works Spreadsheet.
Wich has been working fine since I got the PC new in 2007.
But now....
First get an popup about the certificate not being verified.
Click run.
Then get NTVDM CPU has encountered an illegal instruction.
CS: 11f3 IP: 013d OP: ff ff ff 00 00

My System SpecsSystem Spec
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