problems with sqlite in windows x64

I have created a project in vs2008 that uses sqlite in 32 bit os. Then I made a setup project with installa ware 15 for a 64-bit os.

I added sqlite dll(s) in beside of .exe file and when I create 32bit setup all thing work properly.

But when i create 64-bit setup project the installation in a x64 os (like win 7,8) the program will not run - it throws a 'unhandled exception .... unable to open database.....'

how to can i solve it?