When you right-click the system tray icon for myTV and select "Advanced Settings," a proprietary dialog box appears. This dialog is exclusive to the PC client.
A red warning box stating "Failed to acquire exclusive overlay for DirectX 11." The Cause: Another application (like Discord, NVIDIA GeForce Overlay, or Xbox Game Bar) has already taken exclusive control of the GPU render pipeline. The Fix: Close all overlay applications. Re-launch the client with the /exclusive flag. Do not open any browser tabs with hardware acceleration enabled. mytv pc client dialog exclusive