17 Firfox off my Java and I was told to update Java 7 update 9 - now it does not ("the plugin is disabled")

When I go to the Java test page (http://java.com/en/download/testjava.jsp), it says that the Plugin is disabled. Page manage add-ons said he was disabled after a reboot, but is now activated. Chrome and IE both agree that I have Java 7 update 9 installed, and the testjava page works fine.

A few sites I use frequently have built-in Java applications, so I need to get this resolved.

Try to delete the pluginreg.dat file in the Firefox profile folder and perhaps as well to reset addons.sqlite the plugin registry data bases.

You can use this button to go to the Firefox profile folder:

  • Help > troubleshooting information > profile directory: see file

Tags: Firefox

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