I'm running FF 20.2 on Mac OS X 10.8.3. I recently found that item in drop-down menu cannot be selected by clicking, although it can be selected by hitting "enter" on keyboard. I have no add-ons installed so that shouldn't be the problem. Like go to http://www.newegg.com/ and click search menu, I can't select any options. Thanks for your help in advance.
Solved! Go to Solution.
If you already checked the safe mode, then try a clean re-install. Certain Firefox problems can be solved by performing a Clean reinstall. This means you remove Firefox program files and then reinstall Firefox. Please follow these steps:
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Please report back to see if this helped you!
I'm having the same issue. Tried reset, reinstall, deleted all addons.
Quite a pain. I'm a developer and Firefox is my primary browser...
This problem has been answered earlier Fx Mouse Scroll Try Resetting your firefox: New Tab > Type about:support > Click on Reset Firefox and you are done! Cheers!
I did a reset but it didn't help.
For now, I rolled back to version 19 and I'm happy again.
Hope it will be fixed in version 21.
I have this same problem too on FireFox 20.0 on OSX 10.7.5 and none of the above solutions fixed it. This is an extremely critical bug. Select/dropdown lists not working? Really?
I am also having this problem. None of the above tips helped. I have FF version 21.
Another problem I'm having (is it related?) is that I can't minimize or maximize the window.
I also can't click the "x" to close down pop-up windows either.
Any help would be appreciated.