Please tell me error Number in Hex Format .
or Install
Crystal report runtime in Client end .
"CRRedist2008_x86.msi" (for 32bit)
http://resources.businessobjects.com/support/downloads/redistributables/vs_2008/redist/x86/CRRedist2008_x86.msi
"CRRedist2008_x64.msi" (for 64bit)
http://resources.businessobjects.com/support/downloads/redistributables/vs_2008/redist/x64/CRRedist2008_x64.msi
Please try it will resolve your issue you can find Crytal report runtime of vs 2010 , vs 2008 but on client end the above will be okay.