Delete the specified folder zRollback. If this folder cannot be deleted, check to see if the file stopping the folder from being deleted is open in task manager. If there are no processes running, rename this folder and then the upgrade will complete.
FactoryMaster: Error - 'cannot delete backup directory'
Cannot delete backup directory: E:\FactoryMaster\FMAST10\zRollback please delete the E:\FactoryMaster\FMAST10\zRollback folder and re-run the upgrade
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Written by Sebastian Pavel Rus
Updated over a month ago