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

firefox will not open even after downloading upgrade

  • 5 replies
  • 2 have this problem
  • 6 views
  • Last reply by cor-el

more options

was working fine but now I can't open firefox. I get a box asking me if I want firefox to make changes to my computer. I had to change browsers

was working fine but now I can't open firefox. I get a box asking me if I want firefox to make changes to my computer. I had to change browsers

Chosen solution

try to download from the next full installer link : https://www.mozilla.org/en-US/firefox/all/ (if you have not the latest 37.0.2) :-)

any luck ?

Read this answer in context 👍 1

All Replies (5)

more options

Hello americanheart, be sure that Firefox isn't set to run as Administrator.

Right-click Firefox shortcut > Properties > deselect evey item in Compatibility tab.

"Run this program in compatibility mode for:" [ ]

also make the same in firefox.exe program (in Firefox program folder)

  • C:\Program Files\Mozilla Firefox\

thank you

more options

sorry but where do I find shortcut?

more options

found shortcut but nothing was checked except run in window xp3?

more options

Chosen Solution

try to download from the next full installer link : https://www.mozilla.org/en-US/firefox/all/ (if you have not the latest 37.0.2) :-)

any luck ?

more options

What Windows OS do you have?

You need not run Firefox in compatibility mode for Windows XP (SP3), so make sure to remove this tick.