Well i work fot a collection law office and we will be using exe and dll of softwares designed just for us, i manage to get the dll and exe working from just my form i just need a way to write it instead of where my exe is lets say desktp/newfolder/ myform.exe to the tempfolder of windows or to ram then delete when i close my form so our collectors dont have acccess to the softwares if they dont use our form