4000
Moderate
Twitch · Streaming
A media resource not supported error indicating the browser or device cannot play the video format being delivered by the Twitch stream.
Quick Answer
Error code 4000 on your Twitch Streaming means: A media resource not supported error indicating the browser or device cannot play the video format being delivered by the Twitch stream.. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
  1. Browser lacks support for the video codec used by the stream
  2. Device does not support the required media format
  3. Browser's media source extensions (MSE) are disabled
  4. Outdated browser version without modern codec support
How to Fix It
1
Update your browser to the latest version to ensure you have the newest codec support.
2
Try a different browser — Chrome and Firefox typically have the best Twitch compatibility.
3
Enable Media Source Extensions (MSE) if they are disabled in your browser's advanced settings.
4
Check if hardware acceleration is properly configured (try toggling it on/off).
5
On mobile devices, ensure the Twitch app is updated to the latest version.
6
If on a smart TV or streaming device, check if the Twitch app supports the content format.
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
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