Error 1721. there is a problem with the Windows Installer package.

[Kosal]

Dear Sir/Madam

I would like you to help me to resolve the problem as below.
I using window vista and I want to install VPN Client but error message : Eror 1721. there is a problem with the Windows Installer package. A program required for this install to complete could not be run. Contact your support personnel or package vendor."

Thanks - I hope I haven't run out of time here. :-|
Kosal

[DonRayner]

Your VPN installer is probably an older msi installation package and some of the tasks that it needs to perform are requiring administration privileges. One thing you can try is to open up a command prompt with Run as Administrator option. Then run your setup program using msiexec.exe. The syntax for running it would be.

msiexec /i YourAppName.msi.

Other than that you could try disabling UAC.

Hope this helps
Don

[Kosal]

Ok Don
Let me try first.

thanks you for your help.

[Kosal]

Hi

I already follow as above but still cannot install.

can you help me.

thanks
Kosal

[DonRayner]

Did you try to disable UAC?