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

When upgrading to ver#4.0.1 on my MAC it says disk image not recognized

  • 1 reply
  • 22 have this problem
  • 6 views
  • Last reply by cor-el

more options

I'm trying to upgrade to version 4.0.1 and I get a warning box that says " the following disk images couldn't be opened". Reason "not recognized"

I'm trying to upgrade to version 4.0.1 and I get a warning box that says " the following disk images couldn't be opened". Reason "not recognized"

All Replies (1)

more options

Download a new copy of the Firefox program and save the DMG file to the desktop

Your profile data is stored elsewhere in the Firefox Profile Folder, so you won't lose your bookmarks and other personal data.