APPX1688: App manifest contains a background task contract which uses both start page '{0}' and server name '{1}'. Contract can specify either start page or server name, but not both.
APPX1681: The build property AppxOSMaxVersionTested must have a value equal to or higher than the value of the build property ...
APPX1684: App manifest contains a background task contract that has task type 'Control Channel' but does not specify an executable, ...
APPX1685: Default language '{0}' is not valid. For a list of supported values, see http://go.microsoft.com/fwlink/?LinkID=252020. ...
APPX1686: App manifest contains invalid content URI rule '{0}'. The rule must begin with 'https://' if a scheme is present. ...
APPX1688: App manifest contains a background task contract which uses both start page '{0}' and server name '{1}'. Contract ...
APPX1706: The .winmd file '{0}' contains type '{1}' outside its root namespace '{2}'. Make sure that all public types appear ...
APPX1707: No implementation file was provided for the .winmd file '{0}'. To generate registration information in the app ...
APPX1708: The executable '{1}' is specified as the implementation for the .winmd file '{0}'. Only in-process servers are ...
APPX1709: The SDK manifest contains registration information for the .winmd file {0}, but there is more than one file with ...