I wouldn't be so categorical about EWA; <<<r s>>> didn't write anything about it (at least I haven't seen it), and the screenshot shows an error from H5_Game.exe – the vanilla engine.
Here
I checked my game folder – these DLL files are there, so I think they might actually be missing and causing errors. I would also recommend reinstalling.
Perhaps when deleting EWA, you also deleted the replacement files.