Media Encoder wont work

Hi ive been using adobe animate and media encoder for about a year now when all of a sudden I cant export any animation to media encoder. I've tried with 2 very different animations and both had the same error export as video/media the swf bar loads media encoder pops up then a error appear in adobe animate saying to check media encoder for details I will send both here. Please help me I desperately need to start some Christmas animations and I really need to export them. Thank you and let me know if you need more info.