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Hearthstone crashes crashes on Mac when Razer Synapse is running

  • February 16, 2026
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Hello,

I recently discovered an issue on my M2 Mac Studio where I was unable to open Hearthstone.

Anytime I opened it, it would crash.

After a lot of head scratching, digging into config files, and finally just wiping the SSD and installing a fresh version of Tahoe…I still had the problem!

My post on the Hearthstone forums sat for days before there was any notice/traction and another person finally responded to say that Hearthstone worked after quitting the Synapse App.

I tested this myself and sure enough, after quitting Synapse, Hearthstone ran without issue.

Has anyone else run into this issue?

If so, are there any solutions for it or are we just stuck with, “Close Synapse in order to play Hearthstone” until a fix is released?