I have problem this days with Youtube app, for 3 month since i buy tv was all good with latest upgrade but now youtube app starting and after one played video show black screen (no video) only sound. My tv is Philips 4000 series Smart LED TV 42PFL4307H/12 107 cm (42") Easy 3D DVB-T2/C with Pixel Plus HD. Anyone please help? I cant play kids videos to my children and i have bed situation.