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Javascript Error after upgrading to Firefox 9.0.1

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  • Last reply by SafeBrowser

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I upgraded to Firefox 9.0.1 last night. Now I am getting this error when I launch Firefox.

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

This happens when I first launch Firefox. I click Okay to get past the error and it comes up without an issue. Within Firefox I get the error when trying to open a live stream window for example a radio station website.

This does not happen in IE. I changed my home page in Firefox and still got the error. I tried running Firefox in Safe Mode, but it restarts Firefox with the same open tabs (and even the streaming window) rather than closing it completely. I did not get the error in safe mode, but it may be due to Firefox not fully shutting down.

I upgraded to Firefox 9.0.1 last night. Now I am getting this error when I launch Firefox. load: TypeError: Components.classes['@checkpoint.com/XPCOMTrustCheckerMozilla/TrustCheckerMozilla;1'] is undefined This happens when I first launch Firefox. I click Okay to get past the error and it comes up without an issue. Within Firefox I get the error when trying to open a live stream window for example a radio station website. This does not happen in IE. I changed my home page in Firefox and still got the error. I tried running Firefox in Safe Mode, but it restarts Firefox with the same open tabs (and even the streaming window) rather than closing it completely. I did not get the error in safe mode, but it may be due to Firefox not fully shutting down.

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That error is from your Zone Alarm toolbar. Post your question on the Zone Alarm forum for the best answer to resolve the problem -- be sure to tell them that you also have AVG installed.


If this reply solves your problem, please click "Solved It" next to this reply when signed-in to the forum.



Not related to your question, but...

You may need to update some plug-ins. Check your plug-ins and update as necessary: