I found this:
SYMPTOMS
When you start any of the Microsoft games listed at the beginning of this
article, you may receive an error message similar to one of the following:
<game>.exe is Not a Valid Win32 Application.
-or-
A black command prompt box flashes on the screen.
-or-
When running in a command prompt, the text: Program too big to fit in
memory.
CAUSE
This behavior can occur if your game's installation is damaged (corrupted).
RESOLUTION
To resolve this issue, use the following methods in the order presented.
NOTE: Because there are several versions of Microsoft Windows, the following
steps may be different on your computer. If they are, see your product
documentation to complete these steps.
Uninstall the Game
1.. Click Start, point to Settings, and then click Control Panel.
2.. Double-click Add/Remove Programs.
3.. In the list of installed programs, click the game, and then click
Add/Remove.
4.. When you are prompted to uninstall the program, click Yes.
5.. When the uninstall process is complete, click Start, point to Find,
and then click Files or Folders.
6.. In the Named box, type "DungeonSiege.exe", "fs2002.exe", "train.exe",
or "zoo.exe" (including the quotation marks).
NOTE: The name of the executable you type in will depend on what game you
have installed. The executable names match the following games:
Dungeon Siege = "DungeonSiege.exe"
Flight Simulator 2002 = "fs2002.exe"
Train Simulator = "train.exe"
Zoo Tycoon = "zoo.exe"
7.. In the Look In box, click the hard disk on which you installed the
game, and then click Find Now.
8.. In the list of found files and folders, right-click the game
executable file, and then click Delete.
If you are prompted to confirm the deletion, click Yes or Yes to all.
Empty the Temp Folder
To empty the Temp folder and the Temporary Internet Files folder, use the
Disk Cleanup tool. To do this, follow these steps:
1.. Click Start, point to Programs, point to Accessories, point to System
Tools, and then click Disk Cleanup.
2.. Click C: (or whatever drive on which Windows is installed), and then
click OK.
3.. Click to select the Temporary files check box.
4.. Click OK, and then click Yes to confirm the deletion.
Restart Your Computer by Performing a Clean Boot
To perform a clean boot, follow the steps appropriate to your version of
Microsoft Windows. Microsoft Windows XP
For additional information, click the article number below to view the
article in the Microsoft Knowledge Base:
310353 How to Perform a Clean Boot in Windows XP
Microsoft Windows Millennium Edition (Me)
1.. Click Start, click Run, type msconfig in the Open box, and then click
OK.
2.. On the General tab, click Selective startup.
3.. Click to clear all of the check boxes under Selective startup.
4.. On the Startup tab, click to select the *StateMgr check box.
5.. Click OK. When you receive the message to restart your computer, click
Yes. After the computer restarts, click Start, click Run, type msconfig in
the Open box, and then click OK.
IMPORTANT Look closely at the General tab to ensure that the check boxes
that you cleared are still cleared. If none of the check boxes are selected,
proceed to the following method. If you see a selected, unavailable check
box (it appears dimmed and has a check mark in it), your computer is not
truly "clean-booted," and you may need to contact the manufacturer of the
program that is listed next to the selected, unavailable check box for
assistance.
Microsoft Windows 98
1.. Click Start, point to Programs, point to Accessories, point to System
Tools, and then click System Information.
2.. On the Tools menu, click System Configuration Utility.
3.. On the General tab, click Selective Startup, and then click to clear
the following check boxes:
a.. Process Config.sys file
b.. Process Autoexec.bat file
c.. Process Winstart.bat file (if available)
d.. Process Win.ini file
e.. Load Startup group items
4.. Click OK. When you are prompted to restart the computer, do so.
Note To restore your original Startup options, click Normal Startup on the
General tab in the System Configuration Utility tool.
Reinstall the Game
To reinstall the game, follow these steps:
1.. Insert the game CD-ROM into your computer's CD-ROM or DVD-ROM drive.
If the Setup program does not start automatically, follow these steps:
1.. Click Start, and then click Run.
2.. In the Open box, type <cd-rom>:\setup.exe, where <cd-rom> is the
letter of your computer's CD-ROM or DVD-ROM drive.
3.. Click OK.
2.. Follow the instructions on the screen to install the game.
--
Kevin Christian [MS]
This posting is provided "AS IS" with no warranties, and confers no rights.
Gabriel said:
When i install flight sim 2000pro in my pc running win xp pro, shows up a
error messange telling me "this is not a win32 valid aplication".What can i
do?