DAEMON Tools Lite supports Windows 10 Anniversary starting from 4.47 version. If the older version was installed before the update, after it, the unistallation may not work.
To update to the next release (DAEMON Tools Lite 4.47 or later), please follow the steps:
Close DAEMON Tools Lite and tray agent.
Go to the installation folder (C:\Program Files\DAEMON Tools Lite is a default path) and remove it completely.
Download the newest version from the official site.
Install the newest version following these steps.