Can i run 86x bit dll in anyCPU without problem .net vs 2008

I have dll working with 86bit applications , so when i build my application to anycpu it is crushing i need my target to be any cpu because it solved me some other issues , so the deadlock is that i need is .dll not crushing in target: AnyCpu.(consider that i am working with vs 2008.)

Thanks for helping in advance.

Error:An attempt was made to load a program with an incorrect format. (Exception from HRESULT: 0x8007000B)