"System Administrator has blocked this action" error message

Hi,

1.       Are you able to install other programs?

2.       What is the exact error code or error message?

I would suggest you to try the following methods and check if it helps.

Method 1:

Try to run the program in as an administrator and check if it helps.

Follow the steps to run the program as an administrator:

a.       Right click the program and click Run as an Administrator.

b.      Then try to uninstall the program.

Method 2:

Give full permission to your user account and check if it helps.

Follow the steps to give full permission:

a.       Click Start, type regedit.exe in the search box and press Enter.

b.      Right click the HKEY_LOCAL_MACHINE and click Permissions.

c.       Click on Add in Security tab and add a new group: Everyone.

d.      Select Everyone and check the option: Full Control.

e.      Restart the computer and check if the issue is resolved or not.

Disclaimer: Important this section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base: http://windows.microsoft.com/en-US/windows7/Back-up-the-registry

Method 3:

Try to create a new user account and check if it helps.

Create a new user account: http://windows.microsoft.com/en-US/windows7/Create-a-user-account

If new user account works, refer steps on how to copy files to the new user profile in the Microsoft article provided: http://windows.microsoft.com/en-US/windows7/fix-a-corrupted-user-profile

Hope the information is helpful.