Hi, everyone. My name is Emily Griffin. I work as a technical support executive, with vast experience. Many customers enquire about Quicken Error CC-555. The issue happens when you use online services to update your accounts. CC-555 error codes often arise as a result of a connection problem between the bank and Quicken. To explain, the reason for this problem is that your bank has disabled Quicken's access to their server for the purpose of downloading financial data. Generally, this occurs as a result of server maintenance.