Running sql on my local pc, cannot start sql Agent

Cannot start sqlagent from the config manager, getting the following error

2011-05-14 22:26:29 - ! [298] SQLServer Error: 15247, User does not have permission to perform this action. [SQLSTATE 42000] (DisableAgentXPs)
2011-05-14 22:26:29 - ! [298] SQLServer Error: 229, The EXECUTE permission was denied on the object 'sp_sqlagent_has_server_access', database 'msdb', schema 'dbo'. [SQLSTATE 42000] (ConnIsLoginSysAdmin)
2011-05-14 22:26:29 - ! [298] SQLServer Error: 229, The EXECUTE permission was denied on the object 'sp_sqlagent_get_startup_info', database 'msdb', schema 'dbo'. [SQLSTATE 42000]
2011-05-14 22:26:29 - ! [298] SQLServer Error: 229, The UPDATE permission was denied on the object 'sysalerts', database 'msdb', schema 'dbo'. [SQLSTATE 42000] (DumpAndCheckServerVersion)
2011-05-14 22:26:29 - ! [298] SQLServer Error: 229, The INSERT permission was denied on the object 'syssessions', database 'msdb', schema 'dbo'. [SQLSTATE 42000]
2011-05-14 22:26:29 - ! [000] Error creating a new session
2011-05-14 22:26:30 - ? [098] SQLServerAgent terminated (normally)