Same problem with a mkv video on 3.0.12 and on 4.0.0 I tried : -to change the settings, such as the cache size -to convert it into mp4 (using ffflmpeg). Windows 10 System Model Inspiron 3520 Installed Physical Memory (RAM) 8,00 GB Processor Intel(R) Core(TM) i3-2370M CPU @ 2.40GHz, 2400 Mhz, 2 Core(...