When starting Windows Remote Desktop Manager error

This occurs when I start Windows 7 x64. Seems the connection file isn't able to be seen. Even after the drive is mapped, I continue to get the error. Running 6.6.0.

XmlDeserializationException - There is an error in XML document (0, 0).

at Devolutions.RemoteDesktopManager.Managers.SerializationManager.LoadObjectFromString(String str, Type type, Boolean createAnInstanceIfNotExists)
at Devolutions.RemoteDesktopManager.Managers.SerializationManager.LoadObjectFromFile(String fileName, Type type, Boolean createAnInstanceIfNotExists)
at Devolutions.RemoteDesktopManager.Managers.OptionManager.DoLoadOption()
at Devolutions.RemoteDesktopManager.Managers.OptionManager.LoadOptions()
at Devolutions.RemoteDesktopManager.Managers.ApplicationManager.InitializePhaseOne(String[] args, ApplicationDescriptor applicationDescriptor)
at Devolutions.RemoteDesktopManager.Program.Main(String[] args)

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InvalidOperationException - There is an error in XML document (0, 0).

at System.Xml.Serialization.XmlSerializer.Deserialize(XmlReader xmlReader, String encodingStyle, XmlDeserializationEvents events)
at System.Xml.Serialization.XmlSerializer.Deserialize(Stream stream)
at Devolutions.RemoteDesktopManager.Managers.SerializationManager.LoadObjectFromString(String str, Type type, Boolean createAnInstanceIfNotExists)

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XmlException - Root element is missing.

at System.Xml.XmlTextReaderImpl.Throw(Exception e)
at System.Xml.XmlTextReaderImpl.ThrowWithoutLineInfo(String res)
at System.Xml.XmlTextReaderImpl.ParseDocumentContent()
at System.Xml.XmlTextReaderImpl.Read()
at System.Xml.XmlTextReader.Read()
at System.Xml.XmlReader.MoveToContent()
at Microsoft.Xml.Serialization.GeneratedAssembly.XmlSerializationReaderOption.Read127_Option()