I registered here to voice my complaint. It has been a while since the last post here, but I still don't think Firefox should initiate virus scanning on its own and I don't think Firefox should try to emulate IE at all.
Given that any virus scanner Microsoft recommends already includes real-time disk scanning:
Firefox 2 and no virus scanner: no scan
Firefox 3 and no virus scanner: no scan
Firefox 2 and a virus scanner: one scan
Firefox 3 and a virus scanner: two scans
The antivirus feature is redundant and contributes to bloat, though it is nice to know that security is still a concern and people are putting effort into protecting the most simple end user. I had switched back to Firefox 2 as the scanning was driving me nuts, it took nearly 6 seconds even on a small jpeg and even longer (and sometimes crashed) if multiple files ended at the same time. Now that I can turn it off in about:config I have switched back.
