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.

Avatar for Username

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

This thread was archived. Please ask a new question if you need help.

i upgraded and now my AVG security is broken! you have exposed my pc to viruses? Why can't I re-install 4.0?

  • 1 reply
  • 1 has this problem
  • 1 view
  • Last reply by Svetlana

brucepoduska
brucepoduska
more options

why can I not re-install 4.0? 5.0 broke my avg software installation! I cannot run 5.0! I cannot get to all my bookmarks! I cannot find any help on this site. What is going on?

why can I not re-install 4.0? 5.0 broke my avg software installation! I cannot run 5.0! I cannot get to all my bookmarks! I cannot find any help on this site. What is going on?

All Replies (1)

Svetlana
Svetlana
more options

You can try this extension to override compatibility issues,

If this doesn't help, please notify AVG of the issue. http://www.avg.com/us-en/support

If you still want to downgrade, see here: