Peter(6) wrote:This may mean you have outdated extensions.
They need to be version1.0+
Uninstall them and update them from U.M.O.
Uninstalling impossible since no extension can be installed in a clean profile.
In a yesterday's profile with some extensions installed, Extension Manager completely freezes Firefox.
Which extensions are "version1.0+" already?
When I tried with <strong>Adblock</strong> from U.M.O, I first got the installation dialogue
and after "Install Now" it simply showed me an empty
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.3) Gecko/20040901 Firefox/1.0 PR (NOT FINAL)