Try temporarilly disabling User Account Control (UAC) in Control Panel->User Accounts->User Accounts, restarting your computer, and then trying again. That should remove the prompt to verify your administrative permission and the problem associated with it.
Hope this helps,
John
Can't add users. I click on the user accounts, then manage another accounts, a windows need your permision to continue comes up, I click on countinue and nothing happens. I am the admin of the computer.

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