Originally Posted by MovieMan

Looks like there may still be some incompatibilities with some programs and extensions (though as has been pointed out, 1.5 is not a beta). I'd suggest upgrading to the latest versions of these as well. For example, what version of Acrobat reader are you using? I've heard Version 6 was somewhat buggy, and while 7.0 seems a lot more stable I've also had one or two problems with it, outside of Firefox.