Windows login required when trying to open Business Manager

If a Windows User Account Control message appears that requires a Windows login when trying to open Business Manager, it means that the Windows user account has lost its administrative or elevated privileges.
Products affected: Business Manager

Issue

When trying to open Business Manager, a Windows User Account Control message appears that requires a Windows login.
bmgr-windows-user-account-control-msg

Cause

The Windows user account has lost its administrative or elevated privileges to access Business Manager.

Resolution

Business Manager requires the Windows user account to have administrative or elevated privileges. Contact your IT department to resolve this issue.

UPDATED: August 10, 2023