avg, spybot and other virus software…not win32 application anymore?!

out of the blue last week i got infected and reinstal windows…now getting the same infection again.

now i would like to figure it out!

symptoms:

all anti virus software desapear and can’t be run or reinstalled?

my wireless desapeared as well.

and if i try to boot in safe mode they all give me an istant BSOD?

the rest of the PC is fine.

what the hell is that and how should i handle it?