Sergio Durelli wrote: I had to copy "main-es??????.js" files from an older installation and rename them to match with the ones mentioned inside of index.html
Sorry, something must have gone wrong during the build process of the last wersion. For now you can use the workaround Sergio mentioned. Sorry for the inconvenience!
Nick has released the hotfix. Make sure to use the files from the following path (assuming you chose the default installation directory): C:\Program Files (x86)\Appgineer.in\ATVO Launcher\bin\WebtimingServer