I am getting this error on machines.
"Failed to process action: Novell.Zenworks.PolicyHandlers.InvalidPersistedDat aException: Exception occured while deserializing persisted data. ---> System.InvalidOperationException: There is an error in XML document (0, 0). ---> System.Xml.XmlException: Root element is missing. a"

They will work for a while, then DLU stops working and gives this error. It seems to be the 10.0.1 patch that might be breaking it. However, once it is broke, it is broke, and I have to uninstall ZenAgent and reinstall it to get DLU to work again. Are there anything that I can do to prevent this. We are in testing right now. But when I push this out to 2000+ computers, and this happpens, it will be a nightmare.