- Dec 24, 2009
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I think I found the cause, I deactivated the stock calendar app and installed the pure Google one. It's not Nova Launcher that was the problem. Things running tip top now 

Your situation is very similar to mine. I thought the looping came after installing Doubletwist or maybe nova. What you reminded me of is that I had also shut down most of the Verizon apps just before the looping. All apps mentioned that disabling them might cause stability issues.
So, after you did the recovery restart were all the Verizon apps active as they come from the factory? If so, did you disable them once again? If you haven't re-disabled them and the phone is OK then the disabling may be the real cause.
I continue to use nova since after getting a new phone (could not be reset). So I don't believe nova is the culprit.