This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Mozilla Firefox disappeared after 'End task' during update

more options

My Mozilla Firefox have been gone for more than a month now after I 'End task' it using Task Manager while it was updating.

It disappeared from my pinned taskbar and it won't open either via Run 'firefox.exe' it says "Windows cannot find 'firefox.exe'

My Mozilla Firefox have been gone for more than a month now after I 'End task' it using Task Manager while it was updating. It disappeared from my pinned taskbar and it won't open either via Run 'firefox.exe' it says "Windows cannot find 'firefox.exe'

All Replies (1)

more options