The Sims Medieval "Installation verification failure"

Hi all,

In a fit of nostalgia I dug up my old physical copy of TS Medieval and redeemed the code in the EA launcher. Installed the game via the launcher since my modern desktop has no cd port and loaded up the game.

When I get to the main screen I get an error "Installation verification failure" and it tells me to try reinstalling the game, then it crashed to desktop.

Some searching on Google seems to suggest this is an issue of the launcher, that it does not properly install these old games. (I found some posts suggesting TS3 has the same issue) A workaround seems to be installing it using the cd. I do not own cd reader attachment and I do not feel like buying one simply because EA cannot properly install a game via their launcher.

No amount of reinstalling or rebooting of the PC, game or EA launcher seems to fix it. Has anyone else faced this issue and how did you fix it?