The msupdte.exe problem

[rottingzr]

HI I WILL SURELY NEED YOUR KNOWLEDGE FOR THIS:I RUN WINDOWS VISTA HOME PREMIUM 32B.FROM TODAY'S MORNING WHEN I OPEN MY PC A WINDOW POPS AND SAY:C:\WINDOWS\SYSTEM32\MSUPDTE.EXE THE NTVDM HAS ENCOUNTERED AN ILLEGAL INSTRUCTION CS:1335 IP:3560 OP:FF FF 00 00 00THEN I MUST CHOOSE CLOSE APPLICATION AND IT DISAPPEARSEVERYTHING RUNS NORMALLY PANDA INTERNET SECURITY 2008 DONT FIND ANYTHING UNUSUAL.WHAT SHOULD I DO???