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

Firefox unsecure web site messages in Windows 10 on a new PC. Blocking Google for instance.

  • 1 reply
  • 2 have this problem
  • 1 view
  • Last reply by cor-el

more options

My solution was to reinstall Kaspersky 2016 after installing FF, instead of the otherway around. It looks as though Kaspersky is not clever enough to change its certificate actions when a new browser is installed.

My solution was to reinstall Kaspersky 2016 after installing FF, instead of the otherway around. It looks as though Kaspersky is not clever enough to change its certificate actions when a new browser is installed.

All Replies (1)

more options

Chosen Solution