Loss of restore points when multiboot with XP:
If using a multiboot with Windows XP and Windows Vista or Windows 7, restore points created on Windows Vista or Windows 7 will disappear as soon as you start the computer in Windows XP.
It is a known issue with Microsoft.
There is a solution by modifying the registry in Windows XP. The disadvantage is that you can no longer access the partitions of Windows Vista or Windows 7 on Windows XP.
When using the System Restore feature in Windows Vista or Windows 7, the following error message appears:
No restore point was created on your system disk.
Change a key Base Windows XP registry:
HKEY_LOCAL_MACHINE \ SYSTEM \ MountedDevices \ Offline
(See details in the links below.
Windows Vista and 7 Professional or Ultimate, you can also use BitLocker makes the Vista or Windows 7 partition inaccessible to Windows XP
Risky solution because it relies on a hard drive encryption
No restore point is available when using Windows Vista or Windows 7 operating system Windows Server 2008 in a dual-boot configuration with Windows operating system earlier