How do I solve Quicken Error CC-508 correctly?
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Are you facing Quicken Error CC-508 while downloading your bank transaction or any personal information to Quicken software? This is a very common error though and could happen if your Quicken is outdated, issues in downloaded files or bank credentials are not verified. The solution is simple, open your Quicken software and click “Help” and follow the on-screen instructions to check for updates, if you find an updated version then click “Install”. Next, open the bank account in Quicken and press “Ctrl+Alt+U” together and enter the password and click “Update Now” and you are done, this is how you can solve Quicken Error CC-508 issue. Contact Quicken customer care for more information.
https://www.quickensupporthelpnumber.com/blog/simple-instructions-to-resolve-quicken-error-cc-508/