HKEY LOCAL MACHINE-
SYSTEM- CUURENT CONTROL SET- CONTROL- WINDOWS-csdvERSION
csdversion value is -> 100 sp1 200 sp2 300 sp3 1. On your PC change the CSDVersion registry key to XP SP2: HKLM\SYSTEM\CurrentControlSet\Control\Windows\CSDVersion value=200 2. Restart your PC 4. Change the CSDVersion key back to XP SP3 again: HKLM\SYSTEM\CurrentControlSet\Control\Windows\CSDVersion value=300
for apple computers HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Setup String Value.<> c: