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Firefox 5 incompatible with Avast antivirus ??

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Is Firefox 5 incompatible with Avast antivirus ?? If so, what free, equivalent antivirus pgm is available and compatrible ?

Is Firefox 5 incompatible with Avast antivirus ?? If so, what free, equivalent antivirus pgm is available and compatrible ?

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You should check with Avast for an updated version of their Firefox extension.

Personally, I quit using Avast a few years ago and switched to Avira Personal Free - http://www.free-av.com/ . Compatibility with Firefox shouldn't be an issue with AntiVir, as they don't install any silly extensions in Firefox.
Correction: Avira didn't install any toolbars for Firefox until 06-28-2011, the AV10 SP2 update has a new feature called WebGuardm that includes the Avira Search Free Toolbar that is from Ask.com, You need to uninstall the WebGuard to get rid of the Search Toolbar.

Modified by the-edmeister