Review for SabnzbdFox by war59312
Rated 5 out of 5 stars
It works fine in 4.0. The xpi file simply needs to be updated to show that.
You can force it to enable using http://www.mrtech.com/extensions/#toolkit .
Options > Miscellaneous > XPI Install Options > Uncheck "Enable Addons Compatibility Checking"
Then restart Firefox.
To create your own collections, you must have a Mozilla Add-ons account.