Game always halt at the beginning of game

For the last month i can't play any game because of something that halts game before i start and have to restart windows as it halts too i suspected something with VGA as i found this error log in the debug file :

[0615/191220:WARNING:spdy_session.cc(2566)] Received WINDOW_UPDATE for invalid stream 5 [0615/191220:WARNING:spdy_session.cc(2455)] Received RST for invalid stream5 [0615/191231:ERROR:render_media_log.cc(20)] MediaEvent: PIPELINE_ERROR demuxer: could not open [0615/191231:ERROR:render_media_log.cc(20)] MediaEvent: PIPELINE_ERROR pipeline: read error [0615/191231:ERROR:gpu_video_decode_accelerator.cc(375)] HW video decode not available for profile 11 [0615/191231:ERROR:gpu_video_decode_accelerator.cc(375)] HW video decode not available for profile 11 [0615/191231:ERROR:gpu_video_decode_accelerator.cc(375)] HW video decode not available for profile 11 [0615/191231:ERROR:gpu_video_decode_accelerator.cc(375)] HW video decode not available for profile 11 [0615/191231:ERROR:gpu_video_decode_accelerator.cc(375)] HW video decode not available for profile 11 [0615/191232:ERROR:gpu_video_decode_accelerator.cc(375)] HW video decode not available for profile 11