When i closed crystal report, am getting this type of error?

Question

I use crystal report in visual studio 2010. In crystal report i use parameter, image, sub-report. When i close the crystal report viewer. there is always crash my program, below are the details.

How I overcome this situation?????????
Problem signature:
Problem Event Name: APPCRASH
Application Name: myapp.vshost.exe
Application Version: 10.0.30128.1
Application Timestamp: 4b61238e
Fault Module Name: KERNELBASE.dll
Fault Module Version: 6.1.7600.16385
Fault Module Timestamp: 4a5bdbdf
Exception Code: c0020001
Exception Offset: 0000b727
OS Version: 6.1.7600.2.0.0.256.1
Locale ID: 1033
Additional Information 1: 0a9e
Additional Information 2: 0a9e372d3b4ad19135b953a78882e789
Additional Information 3: 0a9e
Additional Information 4: 0a9e372d3b4ad19135b953a78882e789

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