I can't use my Umax Astra 1220S scanner in win XP, even if i tried to use the software of original instalation

Try running the original software in compatibility mode... basically you right click on the executable file and select properties and search for compatibility mode... here is a link on how to work with compatibility mode and its limitations http://windows.microsoft.com/en-us/windows-vista/Make-older-programs-run-in-this-version-of-Windows link

I’m happy to assist further over the phone at https://www.6ya.com/expert/norman_d2fa496dce30c65d