1. Press CTRL+ALT+DEL on your Keyboard
  2. Select Task Manager from the list
  3. On the Task Manager pop-out window, select the Details Tab
  4. Find and click on Explorer.exe from the list
  5. Select End Task
  6. At the top-left of the Task Manager, select File
  7. Select  Run New Task
  8. Type explorer.exe in the pop-out
  9. Click OK