Well firefox is falling apart any way. I proclaim that IE will soon be safer to use lol. GOD damn people. We find a way to keep clean and they just have to make/find bug's.

I registered here just to post a thank you to you guys for the answer to the internet explorer problem (unable to start multiple program processes). Deleting the Yahoo accessories fixed it for me.

The Yahoo toolbar is installed when you install Yahoo Messenger and choose "Typical (recommended)" during the install...this installs Messenger, Yahoo Toolbar, and Yahoo Extras - each of which end up in Add/Rem programs, and you can uninstall them later, but leave just Yahoo Messenger. If you choose custom you get a list of 6 components, the first in the list is just Messenger, which is usually all you need. I'm also responding because I was at a client yesterday with the same problem - could only have one Internet Expolorer window open at a time. I uninstalled the Yahoo toolbar, and it was fixed. Before that however I had run Spybot S&D and Ad-Aware, and Im wondering if one of those two programs, in doing its job, damaged or altered the toolbar to cause such a side effect. Just a thought.

OK, This didnt work for me, but if I un TICKED the Enable third-party browser extension (requires restart) , it all worked again. Onyl thing i have resident is spybot & google toolbar, which is now taken off.

Manage your add-ons = Tools-Manage Add-ons. Process of elimination. One at a time disable them starting with what you think is the most unnecessary. I had the problem and started getting rid of junky IE Add-ons and that solved the problem.

Clearing the Yahoo toolbar was the key! I thought I had really messed something up at some point. Glad to know it was Yahoo and not me. Thanks for having this info available.
Tom