Right click on explorer.exe and select properties
The go to Security Tab > Advance (or something like this) > Then go to the tab Owner >
Press the button Edit and just click to the administrators and ok until you close all windows.

No go right click on explorer.exe and select properties again
The go to Security Tab > and select edit > Now for all user check all boxes peress ok until
all windows are closed and rename the explorer.exe to explorer2.exe and apply mine.