Hoshi

Ah I see. I remembered there was this patch for SimTower which I applied: SimTower 1.1b. I reverted to using the unpatched executable and the errors disappeared. :+1: MD5 checksums...

Interestingly, I've experimented with moving the rendering to a separate thread just a few days back on a separate branch. Haven't pushed the commits yet, but it seemed to work....

Ok, I've uploaded the multithreading branch on my repo. Sorry it took so long. It's not very thread-friendly as of now because of all the locks/mutexes required to allow atomic...