3) Double-click Turn off numerical sorting in Windows Explorer in the Settings section of the Group Policy editor.
4) Select Enable and then click OK to save the changes.
Alternatively you can change the setting in the Registry database:
To turn off numerical sorting:
Set NoStrCmpLogical to 1 - that is: "NoStrCmpLogical"=dword:00000001
If you haven't got the Dword " NoStrCmpLogical" you can create it and set it to 1