HiI have installed PMDG 600/700 and then updating to 800/900 on a secont computer to extend my Wideview installation.After selecting the airctaft PMDG 800 in the FS2004 I get this error message:Error initializing Direct Sound. Application will now exit.What did I wrong?Directx 9.X is installed.Peter

Try going to Start > Run > type in "dxdiag"Do the tests and see if everything works fine or notNick B.Continental Airlines 737NG Pilothttp://www.precisionmanuals.com/images/forum/800driver.jpg--AMD Athlon XP 3200+ @ 2.2 Ghz (Equal to 2.8 ghz)400W Power supply3x 80 mm Case FansSoyo VIA KT600 Dragon PlusnVidia GeForce FX 5200 128 mb2 x 512 PC400100 GB Western DigitalMicrosoft Sidewinder Precision 2