General My Galaxy S2 crashes and restarts - happens during data connection

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http://androidforums.com – Since last few days as soon as i switch data connection or wifi connection and try check something, update existing apps or read what's app messages or try and access any other application, the phone hangs and restarts. I had installed handwriting fonts, which was not responding, have uninstalled that. then found issue with ZEdge app. removed this too. Here is the crash report. Can someone help me and let me know what can be causing this issue. i have removed all font apps from my phone # #Tue Jan 29 20:45:09 IST 2013 CustomData= StackTrace= java.lang.RuntimeException: Unable to create ser (General)