Updated for FireFox 11 and I keep getting "compatibility check Add-on" when I launch the browser.

I've just updated to FireFox 11 and whenever I run the browser, I get this annoying window that checks for compatibility of modules.

I looked for solutions and have tried the following:
1 remove several extension files in the profile folder.
2 returning to about: config to disable the extension: checkcompatibility (is not here).

None of them worked.

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Have you tried to delete the prefs.js file?

What security (firewall, antivirus) software do you have?

Some security software has features of virtualization that can cause protection problems and restoring files in the Firefox profile folder.

Tags: Firefox

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