Hi.
Are you installing by running an .exe file on Windows XP?
I searched online, and according to
this site, the error occurs when you are running other applications .
Try closing all other programs on your Windows XP or copy and paste the .cab file from the Activesync folder to your hpc.
Another possibility is that you are running Windows XP under VMware. A Japanese site said you should restart the guest OS
(Windows XP
).
Hope it helps.
-stingraze