OALGen failed to read the OAB version 4 property list from registry key '%1'. The registry value must be a binary value and ...

OALGen failed to read the OAB version 4 property list from registry key '%1'.  The registry value must be a binary value and the number of bytes must be a multiple of 4.  The version 4 OAB files will not be generated until this is corrected.