Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

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

Firefo 5 downloaded but not launching, say file corrupt

more options

I have downloaded successfully the firefox5, when I open this from folder to launch the Firefox, say `File corrupt'. I remove the download and again downloaded, but same problem in 3/4 tries.

I have downloaded successfully the firefox5, when I open this from folder to launch the Firefox, say `File corrupt'. I remove the download and again downloaded, but same problem in 3/4 tries.

All Replies (1)

more options

Temporarily disable your anti-virus application only long enough to download Firefox.