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Firefox won't open due previous version open (Moved from Windows 10)

917 views 1 reply 2 participants last post by  Macboatmaster 
#1 ·
Hi,

I am new to here and really hope someone is able to assist me .... and fast. I have struggled with this for a good part of a day.

Operating System is Windows 10.

My issue is with Firefox.

I have been trying for hours to reinstall Firefox. I uninstall it ... then reinstall it .... try and open it .... but then get a message telling me there is still a version open.

I have gone into Task Manager.... tried to close it but it won't shut down. I have tried more ways to force shut it down I am not sure if there are any other options left.

I have uninstalled it and reinstalled it a few times .... also restarted my computer several times.

To be honest .... it almost appears Chrome isn't completely shutting down also.

If anyone has any suggestions and solutions then I am anxious to hear them.

Thank you.
 
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#2 ·
1. Uninstall as here
https://support.mozilla.org/en-US/kb/uninstall-firefox-from-your-computer
Not proceeding to remove user data
NOTE - do this via settings as shown on the link.
NOT through Control Panel - Programs and Features.
By way of Settings and apps

2.
Delete the Firefox installation folder, which is located in one of these locations, by default:
Windows:
C:\Program Files\Mozilla Firefox
C:\Program Files (x86)\Mozilla Firefox
THIS STEP is vital
SHUT DOWN your computer fully as here

Step 1: Open Start menu, select Power button.

Step 2: Press and hold the Shift key on keyboard, while clicking on Shut down, and then release the Shift key to perform a full shutdown.
Reboot and proceed as below

3. Download Fire from here
https://www.mozilla.org/en-US/firefox/all/#product-desktop-release
configuring for your bit version - 64bit I presume and language

DO NOT INSTALL it SAVE the file to your desktop or where you wish.

4. Go to Task Manager and check if any Firefox processes are shown
If so end the process if it allows you to
SHUT DOWN fully again

5. Go to the download and install

Please report the results​
 
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