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I downloaded the latest version of Firefox and now when i open the browser i get this error message before the browser opens up: load: TypeError: Components.classes['@checkpoint.com/XPCOMTrustCheckerMozilla/TrustCheckerMozilla;1'] is undefined

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  • Last reply by cor-el

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I downloaded the latest version of Firefox and now when i open the browser i get this error message before the browser opens up:

load:TypeError:Components.classes['@checkpoint.com/XPCOMTrustCheckerMozilla/TrustCheckerMozilla;1'] is undefined

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That issue is caused by a ZoneAlarm extension or toolbar (TrustChecker)

Start Firefox in Troubleshoot Firefox issues using Safe Mode to check if one of the extensions or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes).