Looks like you're either using a custom theme or ROM. That may not be playing well with one of something Facebook messenger is calling on. If you're using a custom ROM, check that ROM's forum/board to see if other people have the same issue. If it's just a custom theme/launcher. Try using the stock launcher or Nova/Apex to see if the problem persists. Messenger is trying to add/remove/move something in your status bar and it's failing miserably.
Helpful Rezound Links:
Guide to Unlocking, Rooting, ROM'ing, and FAQ
Did you know: You can upgrade your Rezound to ICS without rooting?
Fun Rezound Fact: The antennas for the Rezound are in the battery cover.
Don't forget to backup your flash player install before they remove it from the Android Market.
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Well I narrowed it down at least. It was my launcher (GO Launcher) I set sense as my default and used FB messenger and didn't receive the messages. No to figure out why. I'm gonna contact GO as they have EXCELLENT customer service, partly the reason I use their products.
I'm not so sure it's your launcher, because I don't use a launcher and I've been getting Swype and Dragon force closures after using FB messenger. I will get them if I use the bubble heads thing mostly. I'm not sure I get them or get them as often just using FB IM? When I have signal I'll have to check both ways.