Turn off Hardware Acceleration in Discord
Turn off Hardware Acceleration in your browser
Use a different browser
Disable browser extensions
Clear browser cache and cookies
Update Discord
Update your browser
Restart Discord and the browser
Run Discord as administrator
Disable overlay features
Change Discord voice and video settings
Stream the browser window instead of the tab
Use a different display mode in the browser
Update your graphics drivers
Restart your PC
Try streaming a different Crunchyroll page
Log out and log back into Crunchyroll
Reinstall Discord
Reinstall your browser