Script to prune backup files

Script to prune backup files

I take daily backups of the ServiceDesk database, which have grown fairly large.  If I don't pay close attention, these backups can fill the drive and stop running.  To fix this, I wrote a vbs script that removes any backup files older than a set number of days.  However, when I run this the backup scheduling wizard in the admin console still shows the files that were deleted, and marks them as "File Not Found".  Obviously, these file names are being kept somewhere in the database or a config file.
 
Could someone please tell me where these are being logged so I can update my script?  If zoho aleady has a vbs or batch script that does this, that would be even better.

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