Troubleshooting:
-Poorly designed or incompatible Add-ons can cause problems with
your browser, including make it crash, slow down page display, etc.
If you encounter strange problems relating to parts of the browser
no longer working, the browser not starting, windows with strange
or distorted appearance, degraded performance, etc, you may be
suffering from trouble with your Add-ons. Restart the browser in
Safe Mode. On Windows, start using the "Safe Mode" shortcut created
in your Start menu or by running firefox.exe -safe-mode. On Linux,
start with ./firefox -safe-mode and on Mac OS X, run:
cd /Applications/GranParadiso.app/Contents/MacOS/
./firefox-bin -safe-mode
When running in Safe Mode, you can disable the add-ons that are
causing trouble and then restart to try again.
If you uninstall an extension that is installed with your user
profile (i.e. you installed it from a web page) and then wish to
install it for all user profiles using the
-install-global-extension command line flag, you must restart the
browser once to cleanse the profile extensions datasource of traces
of that extension before installing with the switch. If you do not
do this you may end up with a jammed entry in the Extensions list
and will be unable to install the extension globally.
If you encounter strange problems relating to bookmarks, downloads,
window placement, toolbars, history, or other settings, it is
recommended that you try creating a new profile and attempting to
reproduce the problem before filing bugs. Create a new profile by
running Firefox with the -P command line argument, choose the
"Manage Profiles" button and then choose "Create Profile...".
Migrate your settings files (Bookmarks, Saved Passwords, etc) over
one by one, checking each time to see if the problems resurface. If
you do find a particular profile data file is causing a problem,
file a bug and attach the file.