HKEY_CURRENT_USER\software\policies\microsoft\ime\shared

Turn off custom dictionary
- HKEY_CURRENT_USER\software\policies\microsoft\ime\shared\UserDict
Turn off Internet search integration
- HKEY_CURRENT_USER\software\policies\microsoft\ime\shared\SearchPlugin
Turn off Open Extended Dictionary
- HKEY_CURRENT_USER\software\policies\microsoft\ime\shared\OpenExtendedDict
Turn on misconversion logging for misconversion report
- HKEY_CURRENT_USER\software\policies\microsoft\ime\shared\misconvlogging