Why my youtube upload stuck at 99 processing? Questions › Category: Youtube › Why my youtube upload stuck at 99 processing? 0 Vote Up Vote Down Ankit Thakur Staff asked 10 months ago TweetShareSharePinIt can happen due to multiple reasons it can be because of your file size, format and internet connectivity so what you can do is either reupload the file that you want to upload or wait for 5-10 minutes for your internet connectivity to get strong. TweetShareSharePin