解决ue编辑器内缩放窗口时窗口闪烁或黑屏

参考连接：https://nvidia.custhelp.com/app/answers/detail/a_id/5157/~/after-updating-to-nvidia-game-ready-driver-461.09-or-newer%2C-some-desktop-apps
Users who are experiencing this issue may download the registry file "mpo_disable.reg" from the Attachments section below and proceed to double-click on the file to add it to your system registry. This registry file will disable multiplane overlay. After adding the registry file, reboot your PC to complete the changes. If the flicker persists, you may restore multiplane overlay by downloading the file "mpo_restore.reg" and then proceed to double-click on the file to add it to your registry.
为防止连接失效，操作步骤：

• 新建mpo_disable.txt， 输入下面的内容，然后建后缀改为reg，并运行（目的是禁用多平面覆盖）

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Dwm]
"OverlayTestMode"=dword:00000005

• 重启机器看缩放是否正常，如果不正常，输入下面的内容，然后建后缀改为reg，并运行（目的是恢复多平面覆盖）

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Dwm]
"OverlayTestMode"=-

• 重启机器看缩放是否正常
  我是在第二次重启后发现缩放视口后画面不再闪烁