3.01.19 Firmware Bug Seeing Multiple Titles of Movies and Folders, resetting to factory defaults helps for a few days then comes back again
You may try rolling back to the previous firmware, then reapply the update. You can find previous fimrwares in the link below:
Had same problem
If you want to increase the possibility of this being fixed you need to vote on it here:
To vote just click on the kudos button that looks like an up arrow top left corner of the original post.
The more people that vote and post that they are having the problem the better the chances are that it will get fixed.