Infos on the file "WindowsInstaller-KB893803-x86.exe" :
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There are existing two versions of the Windows Installer Version 3.1 : v1 and v2.
The file on the ADwin-CD , dated 16.05.2005, is version 3.1 (v2) !

This has to be clarified, because there can be downloaded from Microsoft a file named 
"WindowsInstaller-KB893803-v2-x86.exe" , which ALSO installs version 3.1 (v2).

If still in doubt, you can determine which version of Windows Installer is currently installed on the computer by doing :
1.	In Windows Explorer, locate the following file:
                    Msi.dll
        This file is located in the Windows\System 32 folder.
2.	Right-click Msi.dll, and then click Properties.
3.	Click the Version tab. Note the file version number.
	If the version number is 3.1.4000.1823, the computer has Windows Installer 3.1 (v1) installed.
	If the version number is 3.1.4000.2435, the computer has Windows Installer 3.1 (v2) installed.





