if the window goes up & stops, goes up & stops etc, its because the motor thinks something is blocking the window and is stopping it. lube up all the channels with proper silicone lube, can get it from halfords.
If it doen't work at all and the reset method don't help, have a look in the rubber bellows between the door & body, check for broken wires. Factory MK3 windows shopuld have auto up & down, the Corrado loom i fitted to my MK2 Does

P.S. check if your kit is a proper factory system, and not after-market, this may be the difference!
P.P.S. Woo I have a medal
