Flight Simulator 2000 Error Message: FS2000 Caused an Invalid Page Fault in Module Unknown

When you try to start Microsoft Flight Simulator 2000, you may receive one of the following error messages: -or-

This behavior can occur if certain files or registry entries are damaged or missing.

To work around this issue, remove Flight Simulator 2000, run the Registry Checker tool (Microsoft Windows 98 only), clean boot the computer, and then reinstall Flight Simulator 2000 into a new folder.

Remove Flight Simulator 2000

To remove Flight Simulator 2000:

1. Click Start, point to Settings, and then click Control Panel.
2. Double-click Add/Remove Programs.
3. On the Install/Uninstall tab, double-click Microsoft Flight Simulator 2000.
4. Click Uninstall, and then click Yes.
5. When the removal process is finished, click OK.

Run the Registry Checker Tool (Windows 98 only)

If you are using a Windows 98-based computer, run the Registry Checker tool with the /fix and /opt command-line switches:

1. Click Start, point to Programs, point to Accessories, point to System Tools, and then click ScanDisk.
2. Click Thorough, click to select the Automatically fix errors check box, and then click Start.
3. When ScanDisk finishes scanning your hard disk, clickClose.
4. Restart the computer, press and hold down the CTRL key until the Windows 98 Startup menu appears, and then choose Command prompt only.
5. At the command prompt, type scanreg /fix, and then press ENTER.
   
   Note The /fix command-line switch causes the Registry Checker tool to repair any damaged portions of the registry.
6. After the Registry Checker tool finishes repairing the registry, press ENTER.
7. At the command prompt, type scanreg /opt, and then press ENTER.
   
   Note The /opt command-line switch causes the Registry Checker tool to optimize the registry by removing unused space.
8. Restart the computer.

Clean Boot the Computer

Clean boot your computer. To do this, use the appropriate method for your version of Windows.

Windows Millennium Edition (Me)

1. Click Start, and then click Run.
2. In the Open box, type msconfig, and then click OK.
3. On the General tab, click Selective Startup, and then click to clear the following check boxes:
   • Process Win.ini File
   • Load Static VxDs
   • Load Startup Group Items
   • Load Environment Variables
4. Click OK.
   
   When you are prompted to restart the computer, do so.
5. When the computer restarts, you will get a window that says "you are using selective startup for troubleshooting". This is a reminder that you have made the changes in step 3.
   
   Click OK.

Windows 98

1. Click Start, and then click Run.
2. In the Open box, type msconfig, and then click OK.
3. On the General tab, click Selective Startup, and then click to clear the following check boxes:
   • Process Config.sys File
   • Process Autoexec.bat File
   • Process Winstart.bat File (if available)
   • Process Win.ini File
   • Load Startup Group Items
4. Click OK.
   
   When you are prompted to restart the computer, do so.

For additional information about how to clean boot Windows 98, click the article number below to view the article in the Microsoft Knowledge Base:

Windows 95

1. Restart the computer.
   
   When you see the "Starting Windows 95" message, press the F8 key, and then click Command Prompt Only on the Startup menu.
2. At the command prompt, type win, and then press ENTER.
   
   Press and hold down the SHIFT key until the Windows startup sequence is complete.
3. Disable any anti-virus or disk tool programs installed on the computer.
   
   For information about how to disable these programs, see the printed or online documentation for the program.
4. Quit all running programs except Explorer and Systray.
   
   To do this, press CTRL+ALT+DELETE, click the program that you want to quit, and then click End Task. If you receive a message that the program is busy or not responding, clickEnd Task again. Repeat this step to quit all programs except Explorer and Systray.

Reinstall Flight Simulator 2000 in a New Folder

To reinstall Flight Simulator 2000 in a new folder:

1. Insert the Flight Simulator 2000 Disk 1 CD-ROM into the CD-ROM drive.
2. Click Install, and then click OK.
3. Type your name in the box, and then click OK.
4. Click to select the installation option you want, and then click Change.
5. In the Path box, delete the existing path, and then type the following line
   drive:\Program Files\Microsoft Games\Flight Simulator 2000
   where drive is the drive letter of the hard disk on which you want to install Flight Simulator 2000.
6. Click OK.
   
   When you are prompted to create the folder, click Yes.
7. Click OK.
   
   Follow the instructions on the screen to reinstall Flight Simulator 2000.

This issue can also occur if you install third-party aircraft, gauges, or other add-on features for Flight Simulator 2000.