Question / Help I can't capture a window

[Xlagger]

Hello i have a problem when i want to capture a window the window don't appear juste a black square.
Look : https://gyazo.com/6aafc4b8a543da576d16a01d80d7bad1
I have already reinstall OBS
I really need help

Thx :D

*Sryy i'm not good at english*

 

[Sapiens]

Stop trying to window capture TwitchAlerts and add it as a browser source instead. If you absolutely insist on using window capture you'll need to disable hardware acceleration in Chrome.