I'm getting a loot of request for the files: http://www.wallpaperweb.org:80/_vti_bin/owssvr.dll?UL=1&ACT=4&BUILD=&551&STRMVER=4&CAPREQ=0 http://www.wallpaperweb.org:80/MSOffice/cltreq.asp?UL=1&ACT=4&BUILD=6551&STRMVER=4&CAPREQ=0 Anyone who know what the guy is trying to do?
If your users have office installed, they can optionally have a toolbar called the "Discussion Toolbar". That's how IE figures out if your server supports it.