In this post, you’ll learn about the Windows System Error ERROR_CLASS_HAS_WINDOWS (0x584)] and the reason why you are receiving the error message
How does this Error in Windows Look like?
Error Code 1412 ERROR_CLASS_HAS_WINDOWS (0x584)]
Why do you receive the System Error Error Code 1412 ERROR_CLASS_HAS_WINDOWS (0x584)] in Windows?
Class still has open windows.