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I can't install any program and got error "Your system administrator has set policies to prevent this installation". How can I solve it?

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Are you logged on as a user with administrative rights? – Nifle May 16 '10 at 13:02
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4 Answers

up vote 12 down vote

If you are in a business, government, educational, or other environment that is not your own personal home network, that sort of message generally indicates that the system administrator does not want unknown and unapproved software installed on computer systems for which they have responsibility. This restriction could be in place for a variety of reasons (national security restrictions; health, financial, or other privacy concerns; software licensing restrictions; or simply not wanting to support random software installed by users).

Your best course of action if the computer and network are not legally yours is to contact the system administrator for assistance. They may be willing to grant an exception to the policy if you can make the case that you really do need the software.

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+1 for not supporting random software – Holocryptic May 16 '10 at 16:47
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+1 also for that. If the computer isn't yours, don't touch!! As someone that in the past has had to clean up the messes that installing unauthorized software creates for sysadmins, I can't say it enough. If you want to install something for work, talk with the admins about the app you want to use. Otherwise, go home and install it on your personal computer. If this is your personal computer and you don't have rights to it, that's a whole other issue. – BBlake May 16 '10 at 17:29
That's my personal computer. I'm sure my user account have administrator right. I download and run some files from online. After that i got this error and i think my pc is Virus effect. I follow the instruction from systemadministratorhassetpoliciestopreventthisinstallation.com . But that can't fix my problem. – LoRdiE May 18 '10 at 10:39
If it is your personal computer then it is possible that you have a virus or other malware. If you can't find out what your are infected with then wiping and reinstalling the OS may be your only course of action. – Mike Chess May 18 '10 at 14:13
Edit your question to indicate that it's your own computer and why you suspect a virus. – CarlF Nov 9 '10 at 19:46
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up vote 3 down vote

Use a portable version of the application or contact the administrator.

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up vote 1 down vote accepted

Here is the solution: change the DisableMSI value in Registry

HKLM\Software\Policies\Microsoft\Windows\Installer DisableMSI = Value 0

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up vote 1 down vote

Microsoft must have disabled MSI installation for a reason. There is probably some kind of security vulnerability in it. It doesn't make sense to change the settings of your computer to permanently allow all MSI installations. The correct thing to do is not change your registry, it is to go to Start->Programs->Accessories and right click on Command and choose "Run as Administrator" then navigate to the folder where the installer file is and run it. This will bypass this message for this installation only.

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This problem is more insidious than I thought, and the method I describe above will not work under certain scenarios. For example, if you want to uninstall an MSI installed program from Add Remove Programs, you can't. – RyanTM Nov 17 '10 at 22:57
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