Copied from Quicken Support page for "CC-585":
Quicken Alert
Beginning Friday August 8, due to (sic) a planned Quicken.com site upgrade, Quicken.com Portfolios will be "Read Only". We expect full functionality to be restored on September 3, 2008. Until then you may continue to view your data, but you cannot make changes until the upgrade is complette. We apologize for any inconvenience.