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How do I restore FF3.6? FF4.0 is incompatible with Nuance PDF and I need it!

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I installed FF upgrade to v 4.0 Apparently this version is incompatible with the Nuance program I have for PDF files. I need to be able to get and send PDF files. How do I restore FF3.6 so I can use the Nuance program?

I installed FF upgrade to v 4.0 Apparently this version is incompatible with the Nuance program I have for PDF files. I need to be able to get and send PDF files. How do I restore FF3.6 so I can use the Nuance program?

Ọ̀nà àbáyọ tí a yàn

Here it is:

http://www.mozilla.com/en-US/firefox/all-older.html

When you uninstall FF 4, do not select the option "Remove my Firefox personal data". If you select that option it will delete your bookmarks, passwords and other user data.

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Ọ̀nà àbáyọ Tí a Yàn

Here it is:

http://www.mozilla.com/en-US/firefox/all-older.html

When you uninstall FF 4, do not select the option "Remove my Firefox personal data". If you select that option it will delete your bookmarks, passwords and other user data.

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Many thanks! Knew there had to be a simple solution. Worked like a charm :)