Over the last several weeks, I've been having ongoing problems with Adobe Flash Player. It occurs here on Redszone with the ads, but it's not exclusive to RZ. It happens on lots of websites.

The screen hangs and then finally a pop-up occurs that says:

A script in this movie is causing Adobe Flash Player to run slowly. If it continues to run, your computer may become unresponsive. Do you want to abort this script? Following this, it clears and then, when this occurs on RZ, the ad shows "The Adobe Flash plugin has crashed" and it asks if I want to send a crash report.

I use Firefox version 15.0.1 which shows as the most recent version. The Flash Player is also current, version 11.4.402.287 (yikes, that's a lot of updating if I'm understanding the scheme for versions). Both my computer here at work and at home are running Windows XP Home Edition, version 5.1 Service Pack 3.

Any ideas on this problem or a solution?