This error code usually comes up with an error message stating “The remote server returned an error: 401 unauthorized. Request is unauthorized”. Quickbooks error code 61 can be encountered more commonly by Quickbooks users. There can be various reasons for which a user can face the Quickbooks error code 61 like if the transaction file gets damaged or the Quickbooks installation is incomplete. See Read More Information: https://www.accountingproblem.com/quickbooks-error-61/ https://www.accountingproblem.com/quickbooks-unauthorized-error-401/