I just had this chat with a techie:
Welcome 7. Just a Q:
I tried to install Firefox 3.0.7 but MS said it's not a valid Win32 app. Is this true? ( I’ve just had 2 different malware scans that found no infection.)
'Nope not that I'm aware off...you may have a virus or a missing Win32 file...I have installed said update..and had no issue...'
Any opinions?