Uninstalled and reinstalled Firefox new, because the old version was crashing / "not responding." now cannot start new version.

I have a desktop Windows 7 Home Premium 64-bit. Was using a previous version of Firefox for a while but is has started to run slowly or occasionally crash or better yet show "program does not" or some this verbiage when I started the browser, so I decided to move to a new Firefox. I uninstalled the old version and installed a new one – and I can't start even the browser. The browser window opens with "Restore Session - Mozilla Firefox (not responding)"
I don't use IE, but that's what I have to do the same after this issue; That's why I can't even look for ir help install the troubleshooting soft...
Any help would be appreciated.

Firefox reset function move your old folder settings on your desktop, inside a folder named old data from Firefox. Please keep this record for a few weeks in case you need to recover anything of him.

If the reset does not help, there are two main variables remaining here: possible corruption in the settings (your profile folder) files that are reported after a reset and possible problems in your Firefox program folder.

Create a new Firefox profile

A new profile will be your plugins installed by system (for example, Flash) and extensions (e.g., security suite toolbars), but no themes, other extensions or other customizations. It will also have databases of completely fresh settings and cool a cache folder.

Out of Firefox and start in the profile using Start Manager > Run (hold the Windows key press R):

firefox.exe -P

Do not delete anything here.

Any time want to switch profiles, exit Firefox and return to this dialog box.

Go ahead and click on the button to create a profile, give it a name such as Nov8 and ignore the possibility of changing the location of the folder. Then launch Firefox in the new profile that you have created.

Until you return to the profile and start-up Manager in your regular profile, your desktop shortcut should launch the new profile.

Other than not having your settings, it works normally?

Note: When you return to the Profile Manager, you might be tempted to use the button Delete a profile on your new test profile. It's a little too easy to accidentally delete your 'real' profile, so I recommend you to resist the temptation. If you don't want to clean up later, I suggest to make a backup of all your profiles first in case something go wrong.

You can replace the Firefox program files without disturbing your settings by using this clean reinstall procedure:

(1) download a fresh Installer for Firefox 33 of https://www.mozilla.org/firefox/all/ in an ideal location. (Scroll down your preferred language).

(2) as appropriate, close Firefox or make sure there is full compliance in the Task Manager.

(3) to rename the folder (Windows 64-bit folder names)

C:\Program Files (x86)\Mozilla Firefox

TO

C:\Program Files (x86)\OldFirefox

(4) run the installer you downloaded in the #1. It should automatically connect to your existing settings.

It runs?

Note: Some plugins recently installed can exist only in this OldFirefox file. If it is missing something essential, present in these files:

  • C:\Program Files (x 86) \OldFirefox\Plugins
  • C:\Program Files (x 86) \OldFirefox\browser\plugins

Tags: Firefox

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