HKEY_LOCAL_Machine\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce Resolution This issue can occur because uninstalling Windows Media Center removes the following registry key: When attempting to install drivers and other software on a Windows 7-based computer, the installation may fail if you have previously uninstalled Windows Media Center from the Control Panel under Uninstall a program / Turn Windows features on or off / Media Features / Windows Media Center. Windows 7 Home Premium Windows 7 Professional Windows 7 Ultimate More.
