Hi DiHoang
I am Dave, an Independent Advisor, I will help you with this . . .
Click your Start Button, type regedit and hit Enter to open the Registry Editor
Click View and make sure 'Address Bar' is turned on
Paste this into the Address Bar at the top and hit Enter
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\MyComputer\NameSpace
In the left pane, look for a folder that contains 'simatic shell' and delete the folder
Restart (not shut down) your PC . . .