Once you post your computer setup and Windows, AMD driver, BIOS/UEFI, and CHIPSET version installed someone might be able to help.
Plus this question is best posted in the appropriate AMD Forums Drivers & Software or Graphics
what do you mean? cutting means lagging? or losing connection?
download process hacker and see which computer resource (ram,hdd,cpu,gpu,etc) is near 100% - and this is your bottleneck
Sorry I mean it can stream to twitch but when I try to stream to YouTube
it's just hoes live for 1 second and then just says offline