Tell us what is running
Include the CCM Quantum version and your Windows version.
Account help
If sign-in or access looks wrong, give us the useful details.
Open CCM Quantum first. If sign-in, the account name or product access does not look right, send the exact message, your Quantum version and a redacted screenshot if it helps.
Copy the error wording
Small wording differences can point to a different account or connection problem.
Redact sensitive information
Never send passwords, payment details, login codes, verification links or private tokens.