I try to open Firefox. Get error message saying Firefox is already running and needs to close - another error message say Firefox can't open
Turned on laptop (rebooted) after being away from it for a few hours. Went to open my home page. Error message popped up saying Firefox is already running and must be closed. I closed it and another error message popped up saying Firefox can't open - incomplete or missing files.
I went into Processes to close Firefox. Selected 'end process' but nothing happened.
Tried to use Internet Explorer but it just gets hung up. Cannot access anything.
And, because I can't open Firefox, I can't go a refresh.
Everything was working just fine a few hours ago.
Any thoughts?
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Firefox hangs or is not responding - How to fix
Open the Task Manager and quit the process. If this continues to happen I would recommend starting the PC in Safe Mode with networking.
What is the computer system and Firefox on the bad computer?
Separate Issue; Your System Details on this computer shows;
Multiple versions of your Adobe programs.
Having more than one version of a program may cause issues.
Go to adobe.com and download the full installers after removing all of the old programs.
Start Firefox in Safe Mode {web Link} by holding down the <Shift>
(Mac Options) key, and then starting Firefox. Is the problem still there?
This is not a cure but will make it easier if Firefox locks up in Windows. https://support.mozilla.org/questions/997866 {web link}