Sounds like you a UAC problem. Have you tried loggin on as the local
administrator account?
You will need to enable the account in compmgmt.msc then
1.. From the Start menu, go to "All Programs", "Accessories"
2.. Right-click on "Command Prompt" and choose "Run as Administrator"
3.. Click "Allow" from the ConsentUI prompt
4.. In the resulting Command window, enter "regedit" and press enter
5.. In regedit, browse to HKLM\Software\Microsoft\Windows
NT\CurrentVersion\Winlogon
6.. Add a new key at that level called SpecialAccounts
7.. In the SpecialAccounts key, create a sub-key called UserList
8.. At this point the path is: HKLM\Software\Microsoft\Windows
NT\CurrentVersion\Winlogon\SpecialAccounts\UserList
9.. In the UserList key, create a new value of type DWORD (32 bit) called
Administrator and set the value to 1.
Josh
http://windowsconnected.com