Really good, but.... Rated 5 out of 5 stars

When i start it before it works, it says Cache is null :( is this a problem or not?

This review is for a previous version of the add-on (4.7.1-signed). 

Cache null message

We have detected this problem and fixed it. The official fix will be released in the next add-on update. In the meantime you can download the fixed version from this link: http://imtranslator.net/ff-plugin.asp