I was coming here to ask for help but managed to solve it myself (blind luck mostly 
). The youtube addon changed a couple weeks ago "ADD: EndPoint: 'plugin://plugin.video.youtube/search/?q=[URL_ENC_TEXT]'" so i had to replace
Now it works perfectly I've attached the file if you dont want to edit it just replace your default.py with it
). The youtube addon changed a couple weeks ago "ADD: EndPoint: 'plugin://plugin.video.youtube/search/?q=[URL_ENC_TEXT]'" so i had to replace Code Select
if cmdtype == "youtube.search":
xbmc.executebuiltin("XBMC.ActivateWindow(10025,plugin://plugin.video.youtube/?path=/root/search&feed=search&search="+cmdparm1+"&)") with this Code Select
if cmdtype == "youtube.search":
xbmc.executebuiltin("XBMC.ActivateWindow(10025,plugin://plugin.video.youtube/search/?q="+cmdparm1+"&)")Now it works perfectly I've attached the file if you dont want to edit it just replace your default.py with it