Plutonium

ive been wasting lots of time
i tried redownloading the launcher, tried uninstalling and reinstalling,uninstalling my anitvirus, i deleted everything related to the launcher from localappdata to the installation location and nothin seems to work it gives me this i tried everything downloaded it again still gives me this erorr i deleted all of the files except the game(s)
tried to contact support via discord they didnt know what to do