! Warning: this post hasn't been updated in over three years and so may contain out of date information.In the last couple of days, I’ve found that WordPress has suddenly started crashing Firefox when trying to add an image to a blog post. A search on Google quickly revealed that I was not alone and that it is Google Gears that is causing the problem. Disabling Gears and restarting Firefox “solved” the problem. Of course Gears is then disabled and WordPress is then slower as a result, so it’s not an ideal fix. It’ll do until such time as Google or Mozilla fix the problem though.