Cannot suppress MSI packet reboot in installscript

[axu_69]

Hello:

This follows my question yesterday about 64bit merge module.

Now, I have created a msi package from the 3rd party 64 bit merge modules.

I was able to install it by calling LaunchApplication.

However, I cannot seem to suppress the reboot when i uninstall the MSI package in the installscript.

Here is my code:

szProgram = "Msiexec";
szCmdLine = " /uninstall \"C:\64bitMsi.msi\" /qn REBOOT=ReallySuppress";
szDir = "C";
LaunchApplication(szProgram,szCmdLine,szDir,SW_SHOW,1000000,LAAW_OPTION_WAIT);

If I try to install/uninstall the 64bitMsi.msi directly from the windows command prompt with msiexec, I got the same result. The system always automatically reboot after the uninstall.

Why couldn't suppress the reboot?

Thank you very much,

[axu_69]

Sorry, about the spelling error in the title.

I meant MSI package