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!

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

Trying to Run Firefox 4.0.exe after downloading. Receiving error message, "this application has requested Runtime to terminate it in an unusual way, contact your application provider"

  • 1 reply
  • 3 have this problem
  • 4 views
  • Last reply by catman1935

more options

I also tried starting Safe Mode and disabling add-ons. No joy. Several attempts and downloading and installing had same result over a couple of weeks. All other computer functions ok, Firefox 3.6xx works fine.

I also tried starting Safe Mode and disabling add-ons. No joy. Several attempts and downloading and installing had same result over a couple of weeks. All other computer functions ok, Firefox 3.6xx works fine.

All Replies (1)

more options

Addendum to prior message: Windows 7 on vanilla Lenovo laptop.