Recent answers to Firefox is not respondinghttps://support.mozilla.org/en-US/questions/13510712021-09-18T06:18:20-07:00Shut down Firefox. Using your file browser,
open the Programs Folder on your computer.
Windows: C:\2021-09-18T06:18:20-07:00fredmcd-hotmailhttps://support.mozilla.org/en-US/questions/1351071#answer-1444430<p><strong>Shut down Firefox. </strong> Using your file browser,
open the <strong>Programs Folder</strong> on your computer.
</p><p>Windows: C:\Program Files
C:\Program Files (x86) <strong>Note:</strong> Check Both Folders
</p><p>Right click on <strong>Firefox.exe</strong> and select <strong>Properties.</strong>
Now select <strong> Compatibility. </strong>
Turn Off <strong>Run This Program In Compatibility Mode,</strong>
and <strong>Run This Program As An Administrator.</strong>
</p><p>Do the same for any Firefox shortcuts you have. Now restart Firefox.
</p>Did you install Firefox as an administrator?
Are you having the issue with a non-administrator accou2021-09-18T06:17:04-07:00fredmcd-hotmailhttps://support.mozilla.org/en-US/questions/1351071#answer-1444429<p>Did you install Firefox as an administrator?
Are you having the issue with a non-administrator account?
</p><p>Try this DOS command: TASKKILL /T /F /IM Firefox.exe
</p>How about powershell as admin?
Run this PS C:\> Stop-Process -Name "Firefox"
Or login as admin 2021-09-18T05:36:44-07:00jonzn4SUSEhttps://support.mozilla.org/en-US/questions/1351071#answer-1444413<p>How about powershell as admin?
Run this PS C:\&gt; <em><strong>Stop-Process -Name "Firefox"</strong></em>
Or login as admin see if you have the same issue with the process already running.
</p>