Hi there runneranne! Here is how to clear the cache: http://www.verizonwireless.com/support/devices/knowledge_base.html/58116/&lid=sayt&sayt=droid%20razr...
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1976KaRo Being to have working text messages is important. We apologize for the issues with the crashing since the update. When you cleared the cache, did you also force stop and clear data? If not, try that and restart the phone before testing the application.
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