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 replies
  • 12 have this problem
  • 3 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".