"suddenly" I have the following error message appeared on the broker
screen :

....
[3-28-2008 9:16:52 am] The Resource Management Service could not open
the data file
NDPS:/ndps/resdir/ENGLISH/prndrv/winXP/477DEFBE/ARCHIVES/NDPSDRVR.ZIP.
Error code 1. Make sure the file exists, is not protected and has not
been corrupted, then try the task again.
[3-28-2008 9:16:52 am] The Resource Management Service could not open
the data
....

any idea ?