Everything seems to work until you go to the commandline. Programs just seem to not run from the commandline. Batch files might not work. Even the new window shell scripts don't seem to work when run from the commandline. This functionality is dependent (in part) on having a proper PATHEXT value. This reg_sz registry value should have something like .COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH. The full registry key path is