Sage is well-known accounting software which aids the users in managing their accounts. There are times when Sage comes across an error with the SageMgr.exe on Windows 10 Pro. This issue is often caused due to damage in the windows registry key which is related to sagemgr.exe. If you have frequently been encountering this issue, it is advised that you promptly connect with the sage tech support phone number. They would give proper guidance on how to handle this issue.