Hi DOC60,
Welcome to the Community. QuickBooks Desktop Payroll is a great program that gives you the ability to pay your employees and track your payroll remittances. I'd be glad to help.
Based on what you've described, I encourage you to reach to our customer support team. They'll be able to verify your account details in a secure setting to help you with CPP deductions. You can review this article to contact our support team.
Let me know if you have questions, I'll be happy to help.