Problem with Virus/Spyware/Malware

[xpgo2007]

Hello,

I'm having a problem with my computer.
I cannot install any kind of antivirus neither spybot.
all executables disappear as soon as i install any kind of software like norton, mcafee, kaspersky, spybot, etc

What can i do?
I cannot format PC at this time and i cannot run in safe mode (error loading AGP.sys)

Please help.
Thanks

[Tom.K]

Please go to this link:
"BEFORE you POST" -Preliminary Steps. (Start your OWN topic please) (http://forums.spybot.info/showthread.php?t=288)

Then create a new thread in: Malware Removal (http://forums.spybot.info/forumdisplay.php?f=22).