If you simply double-click the file does it run?

Nope, sir... after clicking the "Run as" program file, the display screen of the file simply disappeared from desktop of the windows screen & no sign of the program is running in the background even after 30mins wait later.

hello victor306cancer, try to disable firewall or other security software for a few moments then download a new copy of firefox from : http://www.mozilla.org/en-US/firefox/all.html

then try to follow the suggestions to install firefox from: Install Firefox on Windows

if firefox correctly installed then don't forget to enable again your firewall or/and your other security software(anti-virus, anti-spyware).

thank you

Hi... ideato !!!

For your info, the security programs used in my laptop is Microsoft Security Essentials & Avira Free Antivirus.

Follow every steps strictly as per your advice to disable firewall & security before starting the Firefox installation... however, it stills fail or does not auto-exe to run the Firefox set-up wizard for guiding me through the installation of Firefox.

Hi, try to right-click the firefox installation icon then click Properties, then on the Property sheet, click Compatibility tab then under Privilege Level, select the Run this program as an administrator check box, and then click OK. tell us if this is helpful.

thanks again

If you cannot open the generally the .exe files then see:

http://support.microsoft.com/kb/2688326

thanks

Hi... ideato

Thanks for your help... your advice to do right-click on the Firefox installation set-up icon after the file is downloaded to my pc... follow-by selection of Properties, click the Compatibility tab and select the Run this program as an administrator under Privilege Level has resolved the issue I had raised for assistance.

Once again... thank you & I really appreciated it very much !

Cheers... :D hv a nice day, pal...

you are welcome