<p>It seems that this hack lead to issue for some user on Win7 and above machine.</p>

<p>Look on forum for ex but it seems to be trigger when using Refresh Rate :)</p>

<p>Enable DRR in config.</p>

<p>Play different movie with different FPS, between each refresh, FixDWM is call (not anymore for win7/win8).</p>

<p>&nbsp;</p>