Cisco security Manager Backup error

[Saravanan N]

i  am getting  the below  error  after the backup in Cisco Security  Manager 3.2

[Sun Dec 20 00:00:05 2009]  ERROR(313): D:/backup.LOCK file exists

Most probably another backup process is running

[Sun Dec 20 00:00:05 2009]  Backup failed: 2009/12/20 00:00:05

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

i have deleted the backup.LOCK file and tried  it is giving the same error.

any one help me in this.

thanks in advance.