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How do I roll-back to the previous version of Firefox? An auto update occurred and now one of the programs used at the office (ACT! v6.0 SwiftMail) won't run with the browser.

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The office I work in uses a very old version of ACT!, an accounting package. This package has a component called SwiftPage, an antiquated email system that enables us to email from the ACT DB. SwiftPage runs via the web browser.

Firefox just did an auto update (that I will have to find out how to turn off) and now SwiftPage won't run as it is not compatible.

Can I "roll-back" my version of Firefox or do I have to uninstall and try to re-install an older version?

HELP!

The office I work in uses a very old version of ACT!, an accounting package. This package has a component called SwiftPage, an antiquated email system that enables us to email from the ACT DB. SwiftPage runs via the web browser. Firefox just did an auto update (that I will have to find out how to turn off) and now SwiftPage won't run as it is not compatible. Can I "roll-back" my version of Firefox or do I have to uninstall and try to re-install an older version? HELP!

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Try loading and using the add-on from this link: https://addons.mozilla.org/en-US/firefox/addon/add-on-compatibility-reporter/

Many add-ons do in fact work if you force them to run. The procedure to roll-back is given in this article: installing previous versions of firefox

Unfortunately the official Firefox policy is that you downgrade to 3.6 which is supported for a while longer, and not the now unsupported Firefox 4. If after installing and running the add-on compatibility reporter you still have problems there are ways around the official policy.

I think it is absurd that Firefox 4 may be used by tens of millions of users one day and a few days later those that upgrade to Firefox 5 should be not only told not to use a now unsupported browser, if they need to revert due to problems, but are actually obstructed in attempts to do so. See also /questions/840397#answer-205154