When attempting to install SafeGuard components on a computer running the 64-bit verison of Windows XP, you see the following error:
You have to run Windows XP with at least ServicePack 2 or Windows Vista with at least ServicePack 1 or Windows 7 to install this package
Known to apply to the following Sophos product(s) and version(s)
SafeGuard Easy 5.50.x, Sophos SafeGuard Disk Encryption, SafeGuard Enterprise
Windows XP Professional (64-bit edition) SP2
SafeGuard components cannot currently be installed on 64-bit versions of Windows XP.
What to do
Unfortunately, we cannot currently support this operating system.