I dislike Firefox - it's a bad browser
I'll try to send details (screen shots) next time, but Firefox is slow (always - it's quite the snail) and it crashes a couple times a week if I use it - something about debugging a script (happens a lot) - and I don't have the same problems with Chrome or IE... they're faster and far more stable. I've quit using it for the most part.
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Hello,
The Refresh feature (called "Reset" in older Firefox versions) can fix many issues by restoring Firefox to its factory default state while saving your bookmarks, history, passwords, cookies, and other essential information.
Note: When you use this feature, you will lose any extensions, toolbar customizations, and some preferences. See the Refresh Firefox - reset add-ons and settings article for more information.
To Refresh Firefox:
- Open the Troubleshooting Information page using one of these methods:
- Click the menu button
, click help 
and select Troubleshooting Information. A new tab containing your troubleshooting information should open.
- If you're unable to access the Help menu, type about:support in your address bar to bring up the Troubleshooting Information page.
- Click the menu button
- At the top right corner of the page, you should see a button that says "Refresh Firefox" ("Reset Firefox" in older Firefox versions). Click on it.
- Firefox will close. After the refresh process is completed, Firefox will show a window with the information that is imported.
- Click Finish and Firefox will reopen.
Did this fix the problem? Please report back to us!
Thank you.
Start Firefox in Safe Mode {web Link} by holding down the <Shift>
(Mac=Options) key, and then starting Firefox.
A small dialog should appear. Click Start In Safe Mode (not Refresh).
Is the problem still there?
https://support.mozilla.org/en-US/kb/websites-look-wrong-or-appear-differently
https://support.mozilla.org/en-US/kb/firefox-slow-how-make-it-faster
https://support.mozilla.org/en-US/kb/firefox-uses-too-many-cpu-resources-how-fix
https://support.mozilla.org/en-US/kb/firefox-hangs-or-not-responding
https://support.mozilla.org/kb/Firefox+is+already+running+but+is+not+responding
If you have submitted crash reports then please post the IDs of one or more recent crash reports that start with "bp-".
- bp-xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
You can find the report ID of recent crash reports on the "Help > Troubleshooting Information" page (about:support).
- click the "All Crash Reports" button on this page to open the about:crashes page and see all crash reports.
Alternatively you can open about:crashes via the location/address bar.
See also: