We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

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

Hierdie gesprek is in die argief. Vra asseblief 'n nuwe vraag as jy hulp nodig het.

How can I uninstall and re-install Firefox when it says it can't because it is still open?

  • 1 antwoord
  • 2 hierdie probleem
  • 17 views
  • Laaste antwoord deur Morbus

more options

Firefox worked previously, now will not open at all. When I attempt to uninstall, it says it can't because the program is open. I cannot install new program due to same problem.

This happened

Every time Firefox opened

No change on my part

User Agent

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; GTB6.5; .NET CLR 1.0.3705; .NET CLR 1.1.4322; Media Center PC 4.0; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; BO1IE8_v1;ENUS)

Firefox worked previously, now will not open at all. When I attempt to uninstall, it says it can't because the program is open. I cannot install new program due to same problem. == This happened == Every time Firefox opened == No change on my part == == User Agent == Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; GTB6.5; .NET CLR 1.0.3705; .NET CLR 1.1.4322; Media Center PC 4.0; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; BO1IE8_v1;ENUS)

All Replies (1)

more options

Hello Cheryl.

Hopefully this support article is what you need:

http://support.mozilla.com/en-US/kb/Firefox+hangs