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If I log in with my admin account and open firefox > plugins, I see the Quicktime extension installed. But I do not see this extension installed if I log in with a non-admin account on the same machine. Is it possible to install this for all users?

Other extensions show up, just not quicktime. The plugin is installed in /Library/Internet-plugins. The permissions on the file conform to the permissions/owner of the other plugins.

Mac OS 10.6.8, Firefox 5

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up vote 0 down vote accepted

In my case, the default user profile for the machine was missing the file which sets mime types.

Copying this plist to /System/Library/User Template/ English.lproj/Library/Preferences enabled new users to get the plist, which fixed the problem.

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