I am very disappointed by Deep Fritz 14 as at 28 Update the Eröffnugsfunktion not working. The program simply does not work fehlerfrei.Das old Fritz 7 works on all Window programs fehlerfrei.Die skill level of Fritz 14 is very good, but otherwise the program would have to be totally revised by the manufacturer. If I buy a new chess program for a lot of money, I expect a flawless program !! Since more than a year I trouble myself about Deep Fritz 14 !!