vb.net - unable to cast COM object of type "system.__comObject" to interface type 'shell32.shell' -


i run project in win 7 , xp, there error message, in project use shell32.shell copy , extract automatic exe file, shell32.shell not work in windows 7 , xp? if can, please suggest sheell32.shell can run 

dim sc new shell32.shell() dim pathexeonserver string = "\\server\updateprogram\"  try                 if (not system.io.directory.exists(path.combine(application.startuppath() & "\rs_application")))                     directory.createdirectory(path.combine(application.startuppath() & "\rs_application"))                 else                     'do nothing                 end if                  me.cursor = cursors.waitcursor                 file.copy(path.combine(pathexeonserver, filename & ".zip"), path.combine(application.startuppath() & "\rs_application", filename & ".zip"), true)                 system.io.file.delete(application.startuppath() & "\rs_application\" & filename & ".exe")                 dim output shell32.folder = sc.namespace(application.startuppath() & "\rs_application")                 dim input shell32.folder = sc.namespace(application.startuppath() & "\rs_application\" & filename & ".zip")                 output.copyhere(input.items, 4)                 me.cursor = cursors.arrow             catch ex exception                 msgbox(ex.message, msgboxstyle.critical)             end try

error message


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