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I have strange graphics artifacts in Viber and 3D applications (like some games). This is stange circle maybe some kind of diagnostics one but I don't know what is it.
Maybe you know how to solve it?
I have attached screenshot from Viber. My hardware spects: AMD Pheonm X4 970, ASUS M5A97 R2.0 motherboard, 16 GB RAM and my videocard is GeForce GTX 770, Windows 7 64bit (SP1) and Nvidia driver 364.72)
Viber screenshot with strange artifact like circle:
you probably have installed something that injects an overlay into 3d applications. Steam does this by default, fraps does this, so anything you may have installed, even things that "fix" older 3d games for use on newer hardware and widescreen does this. – Yorik – 2016-04-28T20:55:23.333
Ok, I will try to search for something like that. Thanks. – Alexey Ponomarenko – 2016-04-29T17:40:09.150