The new executable causes the game to crash.Here is the fixed executable for your issue for now. These fixes will be live in the next update.
Just replace marbleblast.exe in your PlatinumQuest folder and run the game directly outside the launcher, otherwise it will overwrite it.
Yeah, my system is a ThinkCentre M91p from 2011. Been using it since 2016 - it's the longest I've used as my daily driver of all the computers I've owned.
My Vimeo: vimeo.com/nollejos1999
I'm on Bilibili too! space.bilibili.com/649567907