Will do - just trying one more thing. I've used the manager program to create a new .sif file - and it seems it doesn't include " marks around the actual command. I'll try this first. Chris. Also, just as a little note, the serial I use can be shown here for all to see - it's the generic serial provided by MS that is unactivatable, very handy for those doing installs, you can change the serial number after your install. The generic serial numbers are...(followed by sequence number) Whistler Tech Beta Program (All Platforms) PXRQ3-7VPMV-CQWXR-8Y4KX-RD786 010053298 Windows XP Home Edition Full product JKTVX-HCRXC-J2YC9-MX3K4-G9X26 005037750 Windows XP Home Edition Upgrade C84VB-JYVFD-P7HF4-6KKRJ-7M6XH 010000182 Windows XP Professional Full product DR8GV-C8V6J-BYXHG-7PYJR-DB66Y 005072760 Windows XP Professional Upgrade FKTW8-Q7MJ7-JK6GW-9J9RV-HC3C2 010000212 Windows XP Home Edition System Builder (Full) KGVXT-F9HVW-XGW9X-QVYVX-HQ9RD 120000613 Windows XP Professional System Builder (Full) TTGHK-3RC33-BT9DR-3BVYV-BTQ98 120000607 Please do not be under any illusion that these are illegal serials, they are provided by microsoft here ... http://www.microsoft.com/technet/prodtechn...oy/wpadepl.mspx Very handy! Chris