Try the other workarounds stated here that you haven’t tried yet:
http://discourse.stonehearth.net/t/current-workarounds-try-these-if-youre-stuck/3972/10?u=relyss
Could you post your friend’s system specs, please (Processor, RAM, OS, etc)? That could help us narrow the problem. I’ll take a look at other similar threads and see if there are other things you can try.
I assume you have checked your drivers version from here:
Edit: This one is different, to say at least:
(Don’t know if it’s your case until you post your friend’s system specs)…