Troubleshooting: 
Hangsim was built to use standard Direct3D™ and DirectSound™ code throught the use of DirectX6 API, if your computer does not have full support for DirectX6 one or more of Hangsim's features may fail to show correctly resulting in a visual or audible problem.
 
ERROR	CAUSE	SOLUTION	
"Hangsim requires DirectX6" appears and HangSim do not run	DirectX6 is not properly installed on your computer	Download and install the latest version of Microsoft DirectX and run the program again	
"Direct3DRM bad object" appears or the program quits without any message	Your video card does not have a suitable driver that supports Direct3D	Download and install the latest driver for your video card from the web site of your card's manufacturer (see below)	
No Music playing and the error message "Failed to play..." appears	The Midi player is not properly defined or taken by some other application.	Close all other programs before running HangSim and check in the Windows Control Panel that the Midi device is properly installed	
Visual articafts appear while in flight	Your display driver does not function propely with DirectX6	Download and install the latest driver for your video card from the web site of your card's manufacturer (see below)	
No fog or haze appears and the scenery appears clipped	Your display driver does not function propely with DirectX6, or you video card does not support fog	Download and install the latest driver for your video card from the web site of your card's manufacturer (see below)	
Menu buttons lose their colors and menus become grey	Your video memory is too low	Quit the program and restart the computer, do not start any other program before running Hangsim	
"Hangsim could not enter the selected video mode..."	You have selected the wrong mode for your video card	Run the program again and select a lower screen mode	
The map does not show properly	Your video memory is too low	Quit the program and restart the computer, do not start any other program before running Hangsim	
Your joystick is not active	You forgot to activate the joystick from the Options menu	Enter the Options menu and enable "Standard joystick active"	
Your joystick is not active	You are using a digital joystick without an analog output	Enable the analog output of your joystick from your Joystick's Control Panel	
The frame rate is very low	The program do not use 3D Hardware acceleration	Check that you have current drivers for your video card and that you have 3D video card, also enable 3D hardware acceleration on your video card's control panel	
The ground view is not sharp	You are using a terrain resolution which exceeds your video card memory	Choose a lower terrain resolution and restart the flight	
Traffic gliders are not restored when you open the flight	The traffic gliders are only restored in fun flight	Save your flight as Fun Flight and try again	
You cannot shoot down the other gliders	Shooting is enabled only in Fun Flight	Save your flight as Fun Flight and try again	
 
If you need to dowload and install updated drivers for your video card you can use the following links:
 3DFX based video cards 				http://www.3dfx.com
ATI based video cards 				http://www.atitech.com
Cirrus Logic based video cards 			http://www.cirrus.com
Matrox based video cards 				http://www.matrox.com
NVidia based video cards 				http://www.nvidia.com
MPact based video cards 				http://www.chromatic.com
Creative Labs based video cards 		http://www.3dlabs.com
Diamond based video cards 			http://www.diamondmm.com
PowerVR based video cards 			http://www.powervr.com
Rendition based video cards 			http://www.rendition.com
S3 based video cards 				http://www.s3.com
Trident based video cards 				http://www.tridentmicro.com