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I downloaded Firefox 4. when I click the shortcut it placed, a explorer.exe box opens and says it cannot be accessed because I do not have the right permissions. I was upgrading from Firefox3.


I had Firefox 3 and when I downloaded Firefox 4 , an explorer.exe box opened and said it could not be accessed because i don't have the right permissions.

Additional System Details

This happened

Every time Firefox opened

This started when...

I downloaded Firefox 4


  • User Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; CPDTDF; .NET4.0C; ibrytetoolbar_playbryte)

More Information

cityminz 4 solutions 104 answers

if you are in a company, ask your network admin. if this is your own computer in your home, get the administrator previledge, ask yourself who installed the win7, ask him/her for the administrator account, use that account to login and install firefox.

carl.steers 0 solutions 1 answers

So, the administrator has moved on to another job. Do we need to uninstall Firefox 3 to install Firefox 4?

Question owner

Thanks for the replies. I bought the computer with Windows 7 already installed.