I’m also experiencing this problem. Have been playing season 20 for two weeks straight, and all of a sudden this happened. Tried re-installing both battle.net and the game itself. I even re-installed windows and updated all drivers, but issue still there. I have not able to launch the game at all after this occuered for the first time yesterday.
Hey Kiwii,
Can you provide a DxDiag?
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Press Windows Key + R.
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Type DxDiag and press Enter.
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In the DxDiag window, click Save All Information.
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Name the file “dxdiag” and click Save
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Paste the DXdiag into the post, select and highlight everything you just pasted, and hit the “code” button (</>). That’ll make the information much more readable.
It should look like this.
If you have issues pasting here, please use Pastebin and post the link (ex: Pastebin (dot) com/123456). Also include the game error logs.