A typical License.xml file is not meant to be human-edited, but its structure is transparent. Opening it in a text editor reveals a structured hierarchy of key-value pairs. The essential nodes include:
The file got partially saved due to a power outage, or you accidentally opened License.xml in Notepad and saved it with a different encoding (e.g., UTF-8 with BOM). launchbox license.xml
This is a permissions issue. Most likely, LaunchBox is installed in a protected folder ( Program Files ) and an antivirus or Windows Defender is quarantining or resetting the file on reboot. Move the LaunchBox folder to your Desktop or C:\LaunchBox . A typical License
: Create custom "Playlists" or filtered views (e.g., "Only 4-player SNES games") that update automatically. launchbox license.xml