Turn off numerical sorting in Windows Explorer

Here is the way to set this.

http://www.alliancegroup.co.uk/windows7-explorer-sort-order.htm

  1. Type gpedit.msc in the Start menu’s search box and then press Enter.

  2. Navigate to User Configuration>Administrative Templates>Windows Components, and then select Windows Explorer in the left column of the Group Policy editor.

  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.