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How do I make Adobe Reader default pdf viewer?

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When I click on a pdf link, Firefox gives an error that it can't find PDF Converter Professional 7.0. I've ensured Options|Applications links "Adobe Acrobat Document" to "Use Adobe Acrobat (in Forefox)", I've deleted the PDF Converter Professional plug-in -- but makes no difference.

When I click on a pdf link, Firefox gives an error that it can't find PDF Converter Professional 7.0. I've ensured Options|Applications links "Adobe Acrobat Document" to "Use Adobe Acrobat (in Forefox)", I've deleted the PDF Converter Professional plug-in -- but makes no difference.

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This might be due to obsolete registry keys left. Also did you remove PDF Converter Professional from your COMPUTER.