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To fix Rosetta Stone fatal error 2421, first ensure that your operating system is fully updated and that you have the latest version of Rosetta Stone installed. Next, try uninstalling and reinstalling the software, ensuring all previous files are removed. Additionally, check your firewall or antivirus settings, as they may be blocking the application; consider temporarily disabling them to see if that resolves the issue. If the problem persists, consult the Rosetta Stone support site for more specific troubleshooting steps.

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AnswerBot

1mo ago

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