Not able to run Web Installer MSI on disk

Could you post the exact error message?
Also if the error does not contain many details, you can run your installer from command prompt and  create a log using msiexec:

msiexec /i <path_to_msi> /L*V <path_to_log>

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Notice that if you are on the same machine you should uninstall your program first.

Funny that the installation ran when I used "msiexec" command. (The command prompt was running as administrator).

But on the disk when I right clicked and chose install (Or even run as Admin), I got error message both times.
The message is "You do not have sufficient privileges to complete this installation for all users of the machine. Log on as administrator and retry this installation."

Please tell me if you need more information..

By disk you mean a DVD or USB HD or network drive?
The error is typical permission error message. I will check the security permissions of your MSI on the "disk" itself.

I am running the MSI on local hard disk on my machine.

Here are the permissions of my MSI file.
I even edited the permissions to give full controls to every user mentioned in the Properties window.
But still I get the same error.



But then how come I am able to run the MSI using MSIEXEC in command prompt (Running as admin)?

Q1. Could you post the SYSTEM permissions on the source and target folder?
SYSTEM must have full control on these folders for installer to run as shown here
Q2. When you run cmd prompt.What was "The command prompt was running as administrator" means?
Does it mean that you log as a normal user and then elevate cmd prompt as administrator?

Solved by trial.