GREENSBORO, N.C.--(BUSINESS WIRE)--Arch Mortgage Insurance Company ("Arch MI"), a leading provider of private mortgage insurance (MI) and a wholly owned subsidiary of Arch Capital Group Ltd., today announced the completion of an updated integration with Byte Software's BytePro Loan Origination Software (LOS). With this newly designed integration, users have direct access to Arch MI RateStar® - the only risk-based pricing solution in the industry - without leaving the BytePro LOS. "Arch MI's new