Comment 21 for bug 240242

I have the same behavior as of this morning, i.e. The address bar does not respond to <enter>, and Ctrl + L or Alt + D brings up the "Open Web Location" dialog, instead of bringing the location bar to focus.
I am running
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9) Gecko/2008052906 Firefox/3.0

+ Extensions:
Better GCal 0.2.3
Better GMail 2 0.5
Better GReader 0.2.5
Colorzilla 1.9
Delicious Bookmarks 2.0.64
Download Statusbar 0.9.6.3
dragdropupload 1.6.7
Foxmarks 2.0.46.10
greasemonkey 0.8.20080609.0
Hyperwords 4.0
IE View 1.3.7
Live HTTP Headers 0.14
MeasureIt 0.3.8
PicLens 1.7.0.3458
Prism 0.2
TwitterFox 1.5.6
Web Developer 1.1.6