i found scanning code using waiscr.dll .. under XP it works perfect but under windows 7 it coz error on this statement wiaManager = New WiaClass() this creating COM instance of WIA manager ...
if i wanted to work i have to install VS.net on each machine and re reference the dll


i want to work on all machine without Problem am using Vb.net 2005 ,2008 and 2010

Please I need help ....