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Trying to open Firefox results in a blank window quickly opening and reclosing.

I just installed the Firefox browser using the installer on the official website. When I attempt to open Firefox, even as administrator, the window either quickly opens a… (read more)

I just installed the Firefox browser using the installer on the official website. When I attempt to open Firefox, even as administrator, the window either quickly opens and closes or doesn't open at all. I have no clue what is happening.

Asked by grayhoang 1 week ago

Last reply by FredMcD 3 days ago

  • Archived

Firefox suddenly will not start

During class today, Firefox unexpectedly crashed on my Windows 10 PC after downloading a pdf file from my History teacher. Now, when I try to open Firefox, a transparent … (read more)

During class today, Firefox unexpectedly crashed on my Windows 10 PC after downloading a pdf file from my History teacher. Now, when I try to open Firefox, a transparent box quickly appears before disappearing again, not opening Firefox. I have yet to find a solution that has worked.

Asked by micjdig2 9 months ago

Last reply by FredMcD 9 months ago

  • Archived

Firefox won't open on Mac, get error The application “Firefox.app” can’t be opened.

My OS is Catalina 10.15.4. Firefox worked fine until today. I have removed and reinstalled Firefox. I have setup a new profile. Firefox will not open in safe mode. Wh… (read more)

My OS is Catalina 10.15.4. Firefox worked fine until today. I have removed and reinstalled Firefox. I have setup a new profile. Firefox will not open in safe mode.

What else should I do?

Asked by Lamar 1 year ago

Last reply by Chamodie Pubudini 1 year ago