Window Bug

Technical Support
Every time I enter the game or change any settings(when applying and accepting) the application dissapears from the task manager and reappears after a few seconds ,then I have to alt+tab to enter in the game window. I'm running windows 10 Pro 64bit version 1709
Lippe, does disabling Full Screen Optimization help?
    1. In the Blizzard App, select the Options drop down in the Diablo III tab and select Show in Explorer
    2. Right-click on Diablo III.exe and select Properties
    3. Go to the Compatibility tab and check the box ‘Disable fullscreen optimizations’
    4. Press Apply and OK

Otherwise, let's try closing down background applications and see if that may help.

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