Typing in the box of about:config does not work
1. about:config. Click the button in the warning window. Try to type the name of the parameter e.g. typeahead. 2. Ctrl+F sometimes scrolls page to the bottom instead of displaying the "Find" bar. (might be related to 1).
Wšě wotmołwy (4)
The Find doesn't work on the about:config page. Use the Filter bar at the top if you want to locate prefs. That Filter bar also accepts regular expressions and wildcards.
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I shoud've been more specific. Typing in the filter of about:config does not work. Also when open "normal" page sometimes pressing Ctrl-f scrolls to the bottom of the screen instead of
opening the search box. In 3.6 thete were no problem with that.
Start Firefox in Diagnose Firefox issues using Troubleshoot Mode to check if one of the add-ons is causing the problem (switch to the DEFAULT theme: Tools > Add-ons > Themes).
- Don't make any changes on the Safe mode start window.
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Thank you! It was an extension indeed. Though, now I enabled all of them and no problems so far. Weird.