Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

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

How do i uninstall Mozilla Developer Preview 3.7 when uninstall/helper.exe do nothing

  • 2 respostas
  • 12 have this problem
  • 6 views
  • Last reply by dqdlm

more options

Tried to uninstall Mozilla Developer Preview 3.7 with "Add/Remove Programs", Revo Uninstaller and "C: Programs Files/Mozilla Developer Preview/Uninstall/helper.exe". Nothing works. How do I remove ir?

Tried to uninstall Mozilla Developer Preview 3.7 with "Add/Remove Programs", Revo Uninstaller and "C: Programs Files/Mozilla Developer Preview/Uninstall/helper.exe". Nothing works. How do I remove ir?

All Replies (2)

more options

1) Log in as Administrator

2) Follow those instructions from https://www.mozilla.org/projects/devpreview/releasenotes/ :

Uninstalling the Mozilla Developer Preview

Windows

From the Start menu, choose Control Panel. When the Control Panel appears, double click Add/Remove Programs. Find "Mozilla Developer Preview (3.7a5)" in the list and click Remove to uninstall.


Does that work for you?

more options

Unfortunately, no. Neither does Revo Uninstaller nor "C: Programs Files/Mozilla Developer Preview/Uninstall/helper.exe".