The "HyperSpin cannot find launcher" error typically occurs when the connection between the front end and RocketLauncher
Find the .ini file for the problematic system (e.g., MAME.ini ). Open it and look for the [exe info] section.
Because HyperSpin and RocketLauncher act as "wrappers" that trigger other programs, some Antivirus software flags them as suspicious behavior and deletes or quarantines the launcher executable.
If configuration doesn't solve it, the system might be blocking the connection between the two executables.