If you think you have a virus, you can get "stinger" for free. Here's the link
About blank just means no site is specified so seeing this is not necessarily a threat.
My browser has opened up extra windows once so far, 2 windows, one said welcome and the other about blank. I had read something about- about blank so I immediately shut things down. I restarted my system, and ran spybot s&d, anti vir 9x, trend micro's house call, and a Panda online scan all of which came up empty handed. Then I searched the web for an outside opinion and ran one (eek-I dont remember what) that came up with what looked like a bagle (variant?) but the scan tool wouldn't remove it unless I pay, which I cant. Any suggestions to investigate further? Please note I tried to find the about blank discussion in the security forum and couldn't identify it. THANKING YOU IN ADVANCE