“SUMMARY
Microsoft Flight Simulator 2004 may have trouble starting on a Microsoft Windows XP-based computer. This problem may occur if you move your My Documents folder, if there are problems with DirectX, and if the default settings in the configuration file have to be changed. DirectX has known conflicts with NVIDIA Driver Helper Service and Quick View Plus.
SYMPTOMS
When you try to start Flight Simulator 2004, you may experience one of the following symptoms:
The game does not start.
The game shows the splash screen, and then the game quits unexpectedly.
The game stops responding (hangs).
CAUSE
This problem may occur if one of the following conditions is true:
The My Documents folder is not in the default location.
The DirectX installation is damaged, or was not correctly updated.
The NVIDIA Driver Helper Service is interfering with Flight Simulator 2004.
The configuration file is damaged, or the default settings have to be modified.”