erm
try doin HijackThis scan
Registry Scan mayb
wa bout:
downloading run32dll :
http://www.dll-files.com/dllindex/dll-files.shtml?run32
<from another computer>
put it into a flash drive!
if you can login to the computer without a problem then you can just plug in the flash drive and copy and paste Run32dll to its original location
a got run32dll.exe hmm 8)