c# - System.Data.SqlServerCe.dll is not a valid Win32 program -

i developing c# program visual studio makes use of sql compact library. on developing computer works charm on home computer has fresh win8 installment system.badimageformatexception: not valid win32 program , have no clue why.

i have added microsoft.sqlserver.compact package nuget. package includes system.data.sqlserverce.dll.

i have seen on development computer in output window of visual studio system.data.sqlserverce.dll loaded gac. since home computer has fersh win8 installment not have system.data.sqlserverce.dll in gac since have added microsoft.sqlserver.compact package nuget should not problem right?

the problem program or 1 of it's dependancies 64 bit , running on 32-bit computer. go project properties, , set "platform target" either "any cpu" or "x86" if planning run on 32-bit systems.