Why does Quicken error CC-501 sometimes happen?
If you update an account while simultaneously using online services, a Quicken error CC-501 will appear. It is due to script problems that occasionally arise. It needs to be escalated because you cannot resolve them immediately. This issue can also be caused by a Quicken installation gone wrong, malware, or a virus attack. This problem also occurs if you're using an outdated version of Quicken or if your bank login credentials are invalid.