-> Configuring Firewalls

-> Temporarily Disable Antivirus or update security software

• http://kb.mozillazine.org/Unable_to_save_or_download_files#Temporarily_disable_antivirus_or_update_security_software
• Perform the suggestions mentioned in this article from this section to the end

-> Download latest Firefox version from one of these links:

• http://www.mozilla.com/en-US/firefox/new/
• http://www.mozilla.com/en-US/firefox/central/
• http://www.mozilla.com/en-US/firefox/fx/
• http://www.mozilla.com/en-US/firefox/all.html

-> Installing Firefox

Check and tell if its working.

hi mha007

                my antivirus was not the problem.i get the download for firefox and it loads onto my pc.but when i try to open it i get a box comes up saying,platform version 7 is not compatible with min version7/max version7.think this could be windods 7? thanks for your help. ken2

You need to Uninstall your current Firefox installation and then Reinstall Firefox.

-> Uninstall Firefox from your computer

• DO NOT SELECT TO REMOVE USER DATA AND SETTINGS
• Restart your system

-> Download latest Firefox version from one of these links using some other Web Browser:

• http://www.mozilla.com/en-US/firefox/new/
• http://www.mozilla.com/en-US/firefox/central/
• http://www.mozilla.com/en-US/firefox/fx/
• http://www.mozilla.com/en-US/firefox/all.html

-> Installing Firefox

Check and tell if its working.

sorted out.i had to go into properties.then compatibility and change the window setting in there

Glad to hear it