Web tuneup activation in mozilla

Hello Tomas,
We are sorry to know that you are unable to complete the installation of AVG Web TuneUp. Once you install the AVG Web TuneUp from the Zen interface, a AVG add on will be installed in your web browser.
Please open the Mozilla firefox a nd enable the AVG addon and see if that fix the issue.

Click on the Firefox button (Tools in Windows XP) and then Add-ons. In the Add-ons Manager tab, choose Extensions. Select the add-on that you want to disable or enable
Thank you.

I can not activate avg tuneup on the main computer
how to activate web tuneup in mozilla?
Thanks
Hello Tomas,
We are sorry to know that you are unable to complete the installation of AVG Web TuneUp. Once you install the AVG Web TuneUp from the Zen interface, a AVG add on will be installed in your web browser.
Please open the Mozilla firefox a nd enable the AVG addon and see if that fix the issue.

Click on the Firefox button (Tools in Windows XP) and then Add-ons. In the Add-ons Manager tab, choose Extensions. Select the add-on that you want to disable or enable
Thank you.