05-23-2013 02:35 PM
Please try this Knowledge Base to recover your device from this JVM error :
KB10144 : How to force the detection of the BlackBerry smartphone using Application Loader
Please note the above method wil delete all data within your device, if you have a previous backup or using BBprotect you can restore from those . So try it and let us know if you feel any problem.
Additional Information :
KB24395 : "Error 523", "App Error 523", or "JVM 523" appears on the BlackBerry Smartphone