Hearthstone Closes Itself with Error Code 314:0

I can play Hearthstone on my iPad perfectly fine, but since rebuilding my PC yesterday whenever I open it on my PC I get a 314:0 error and it closes itself. I’ve tried repairing the game, reinstalling the game, deleting the programdata for BattleNet. Nothing works. Every other game - including Blizzard games like HOTS and Overwatch - work fine.

What can I do?

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7 posts were merged into an existing topic: “Playful sprites have disrupted Hearthstone” - Error Code 314:0