Question : The SELECT permission was denied on the object 'sysdtspackages90', database 'msdb', schema 'dbo'.

Can anybody tell me if I need to setup something for the error "The SELECT permission was denied on the object 'sysdtspackages90', database 'msdb', schema 'dbo'."?
Thank you in adnace

Answer : The SELECT permission was denied on the object 'sysdtspackages90', database 'msdb', schema 'dbo'.

This error was caused by the fact that the db from which the select * from   msdb.dbo.sysdtspackages90 was being executed was not set as trustworthy.