I asked about youtube picture's becoming diagonal lines on galaxy 3. Found the solution with some help from the community:
1. Go to App Manager.
2. Uninstall updates (it won't allow app uninstall).
3. Download youtube or yt update from play store.
Note:this might delete your youtube history.
1. Go to App Manager.
2. Uninstall updates (it won't allow app uninstall).
3. Download youtube or yt update from play store.
Note:this might delete your youtube history.