Get blue screen after login via remote desktop

Hhm, some times you will get a blue screen after login via remote desktop. It's weird and you may be worry. You may wonder "where is my desktop". Below are steps to return your desktop.
+Press CTRL + ALT + END
+Run Task Manager
+Go to File >> Run new task
+Key explorer.exe in the box and click OK to restart Windows Explorer.

Then you can see the desktop again.

Nice day!