If you are currently running Firefox version 21 or higher and you continue to receive the “Install Coupon Printer” message after you have recently completed the Coupon Printer install follow the steps below:
1
In your Firefox address bar type about:config
3
Click through the warning pop up
4
In the search field type plugins
5
In the list that appears look for this line
plugins.load_appdir_plugins
6
Double click on this listing to change the false value to true
