Strange behaviour in Firefox 3.5 Rated 4 out of 5 stars
Something odd happens with this one in Firefox 3.5.
When I updated, Firefox refused to start with the "Home Page" selection. It also would not open on pages when I clicked a URL in email, on the desktop or anywhere. Firefox started but went nowhere.
After many tests I tracked this behaviour down to "Print Hint".
Disable it and everything works fine. Enable it and "boom".
Pity, this is one of my "use it all the time" extensions.