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startup script error, unable to show unknown toolbar

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When I start Firefox, I get an error box that says: Warning: unresponsive script, chrome://tavgp/content/libs/include.js:595 Continue or Cancel After clicking on one, Firefox starts and there is a message under the address bar that says: Firefix is not able to show the Toolbar, Please re-install the Toolbar. I have no idea what toolbar it is about. Everything is displayed that I know about. I am an advanced user.

When I start Firefox, I get an error box that says: Warning: unresponsive script, chrome://tavgp/content/libs/include.js:595 Continue or Cancel After clicking on one, Firefox starts and there is a message under the address bar that says: Firefix is not able to show the Toolbar, Please re-install the Toolbar. I have no idea what toolbar it is about. Everything is displayed that I know about. I am an advanced user.

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The problem is AVG Safe search and AVG Security Toolbar

For more information see:
https://support.mozilla.com/en-US/questions/843822

Don't think anyone has mentioned the message under the toolbar before. You may be getting that as the extension should be blocked by the Firefox blocklist. see Nov 29 2010. Anyway it has been a problem in Firefox 2 and latter.