If the webcam can't be detected, go to Device Manager (Start > Run > devmgmt.msc). Locate the camera device and make sure it's installed properly, otherwise you will need to re-install its drivers. Right click it and select Update Driver. If you are connected to the Internet, choose the option to search online for the drivers. If have the driver package, install it and then refresh the devices list using the icon in the main menu bar (). Reboot the computer and then run LifeFrame and it should work normally.