There is a bug on Ryzen CPU with the random numbers see this article that causes LotAtc installers to not work and display error :

Cannot open file "" for writing: No file name specified

If you have a Ryzen CPU, there is two options:

  • update your BIOS (this bug is a big security issue)
  • Download the following files to let installer working :
    • For Setup : download this file and put it in same directory than Setup_LotAtc.exe and double-clic on the .bat file it will call the Setup without the bug
    • For Updater : download this file and put it in same directory than LotAtc_updater.exe and double-clic on the .bat file it will call the Updater without the bug