Ta, but left floundering!
First question of the day is whether this Windows 7 installation is per chance the result of an upgrade or migration from Windows XP ?
First answer, cannot remember. I think I dual-booted XP and 7 and then removed the dual-boot when I became 'MSConfident'.....
Second question of the day is are you running Windows 7 in XP mode ?
Second answer - how would I know?
First reply question of the day
Depending on the results above, what can I do to release the disk space taken by D&S?