• The Win­dows Appli­ca­tion Com­pat­i­bil­i­ty Frame­work (shim­ming) pro­vides a way to change the sys­tem behav­iour for an appli­ca­tion in order to func­tion like in old­er sys­tems. It works via the IAT Import address Table at load time and can change func­tions, library address­es etc. this way. Creating a shim A shim can be reg­is­tered with the sys­tem via…