XP workstation SP 2
NW Client 4.91
NW Server 6.5 all patched up
Upgrade from ZEN 6.5 to 7.0

ZENworks Desktop Management installation failed on the following servers:
See below for details.

[Server name]
Pre-install steps completed successfully
RM Server components NOT installed on Server
Error: There was an error installing ZENworks Desktop Management on
Server Name. Error: An error occured during file copy or configuration.
See above for more details and be sure that no ZENworks Desktop
Management files are open or locked.

Any ideas????