I'm not getting back in my HMI application.

I'm not getting back in my HMI application.
I'm using "HMIBackup"
During the backup the following message appears:

C: \ Documents and Settings \ All Users \ Documents \ RSView Enterprise \ SE \ HMI Projects \
hmi_ls \ TAG \ hmi_ls.old
1221 File (s) copied
C: rtsql.exe
1 File (s) copied
C: Alarm.tpl
1 File (s) copied
C: Tags.tpl
1 File (s) copied
The system can not execute the specified program.
Program too big to fit in memory
***** ***** Error
Error backing tag database

D: \ HMIBAC ~ 1>