Can't register my kindle fire again

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http://forum.xda-developers.com – I'm rooted using go launcher and c Google play. Every now and then, Google part likes to update my kindle app, which screws up the registration of my local drm Amazon purchased books. Sooooo i have to uninstall the updates to my kindle app, uncheck (again) update automatically, deregister my kindle fire, re register, and i can then access my books as well as my documents that I'd emailed myself. Well it happened again, i went through the annoying process again but this time... I enter my credentials and hit Register and nothing happens. I also tried going through Kindle Setup, same thing. I d (HowTos)