We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

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

EVERY TIME I TRY TO DOWNLOAD FIREFOX MOZILLA MY COMPUTER TELLS ME HARMFUL TO COMPUTER AND ANTIVIRUS COMES UP WITH GEN.TROJAN HEUR?? HELP

  • 1 reply
  • 11 have this problem
  • 4 views
  • Last reply by Svetlana

more options

EVERYTIME I TRY TO DOWNLOAD FIREFOX MOZILLA~MY ANTIVIRUS SAYS IT WILL BE HARMFUL TO MY COMPUTER AND THEN IT COMES UP WITH GEN.TROJAN.HEUR.5NZ@@DJU72H!! EVERYTIME

This happened

Not sure how often

MAY 9 2010

User Agent

Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/532.5 (KHTML, like Gecko) Chrome/4.1.249.1064 Safari/532.5

EVERYTIME I TRY TO DOWNLOAD FIREFOX MOZILLA~MY ANTIVIRUS SAYS IT WILL BE HARMFUL TO MY COMPUTER AND THEN IT COMES UP WITH GEN.TROJAN.HEUR.5NZ@@DJU72H!! EVERYTIME == This happened == Not sure how often == MAY 9 2010 == == User Agent == Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/532.5 (KHTML, like Gecko) Chrome/4.1.249.1064 Safari/532.5

All Replies (1)

more options