"Failed to create process" on trying to run LEGO Island

[GwladysDev]

So, the tool works fine, but it's unable to launch the game as on every attempt to do so, it throws this at me!
https://cdn.discordapp.com/attachments/801645211637383228/974738715568115772/unknown.png

[GwladysDev]

okay nevermind??? for some reason running rebuilder with admin privileges seemed to work