System runtime interopservices comexception in VB windowsapp

Question

am having windows application runs on .net framework 3.5 and TargetCPU X86 and it is a 32 bit application which runs well with crystal report 13.0 and crystal report runtime engine 4 (32bit).   Recently i have upgraded the framewrok to 4.5 and targetcpu X64 and installed crystal report runtime engine for 64 bit   It is working well in my machine windows 7 64 bit   But when i use the exe on client machine and try to open the crystal report, it is showing error "The document has not been opened"   Client system is windows 8.1 64 bit cpu and installed crystal report runtime engine for 64 bit Installed crystal report 13.0 and Crystal report runtime engine for 64 bit but having the same error

Krishna Kumar · Answer

reinstalled crystal report runtime engine 32 bit and 64 bit on client machine but no use. rasising the same error

Amit Gupta · Answer

Also make sure to rebuild your project alongwith check whether you had took reference for x86/x64.

Amit Gupta · Answer

There might be some glitches, please reinstall the crystal report runtime and make sure it was properly installed.

Krishna Kumar · Answer

If the target is X86 it is not runing on 64 bit cpu

Amit Gupta · Answer

Donot set the target platform to x64, make it back to x86.