I have a trojan virus in file system32.exe in c:\windows\system32\system32.exe. What is system32.exe used for by windows? I renamed it to see if windows could run without it and it did, it just gave me a message saying it couldnt find file c:\windows\system32\system32.exe at startup but it still booted and I am using it right now. I have tried to quarantine with norton and all other stuff with no luck. My big question is what is system32.exe used for?