Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

Avatar for Username

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

Teema arhiveeriti. Please ask a new question if you need help.

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

  • 1 vastus
  • 2 on selline probleem
  • 17 views
  • Viimati vastas Morbus

AnonymousUser
AnonymousUser
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)

Morbus
Morbus
more options

Hello Cheryl.

Hopefully this support article is what you need:

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