DRM error code N8156-6003 is shown after cleaning some files with cleaning s/w. Well, after researching solution thru googling. Thare are two fix actions.
– Uninstall MS Silverlight
– Delete mspr.hds
1. Here is the error code.
2. Uninstall MS silverlight.
3. Missing file to uninstall MS silverlight.
4. Delete Prouct Key ID:D7314F9862C6…… for MS silverlight from registry.
5. Missing file to uninstall MS silverlight.
6. Reinstall MS silverlight.
** Well, reinstalling MS Silverlight didn’t fix my problem.
7. Delete file, ‘mspr.hds‘ under "C:\Documents and Settings\all users\Application Data\microsoft\PlayReady\"
It is hidden file, so login as a administrator to execute.