One or more .xml files in the backup directory are missing or are corrupted. As a result, Windows System Resource Manager ...

One or more .xml files in the backup directory are missing or are corrupted. As a result, Windows System Resource Manager data files have been reset to the post-installation state. All process-matching criteria, resource-allocation policies, calendar events, and schedules information will be lost.  Other information or states, such as accounting state, notification state, exclusion list information, and current management state, are not reverted.