more on this topic..
this is also what I got from running the few lines in below:
Msg 911, Level 16, State 1, Line 7
Database 'mssqlsystemresource' does not exist. Make sure that the name is entered correctly.
SELECT id, name FROM master.sys.sysdbreg
Msg 208, Level 16, State 1, Line 2
Invalid object name 'master.sys.sysdbreg'.