Ok, that´s really crazy. My Software Version of UAD-1 is 5.8, and i really really use it without any Probs in WL 7/64Bit. I can use all the UAD-Plugs in WL in the same Way i use them in C7.06. Wich Message appears on the Screen when you try to Load the Plugs in WL 7 64 Bit ?