Twitch is a popular video live streaming platform owned by Amazon that is used by most gamers to stream the games that they are playing. While it primarily concentrates on gaming, there are also other content available such as music and other creative content. Although this is a solid platform there are instances when certain issues can occur. In this latest installment of our troubleshooting series we will tackle the Twitch error 4000 resource format not supported issue. How To Fix Twitch Error 4000 Resource Format Not Supported Issue Before performing any of the recommended troubleshooting steps listed below it\u2019s best to restart your computer first. This action refreshes the operating system and remove any corrupt temporary data that could be causing the problem. There are several factors that can cause this particular problem ranging from a corrupt cache and cookies in the browser to an output device setting issue. Listed below are the recommended troubleshooting steps you need to do to fix this problem. Try clearing the cache and cookies The first thing that you will need to do in this case is to remove the temporary data stored by the browser application as this might be corrupted. Chrome Go to the three-dot menu at the upper-right of ChromeSelect Settings > Advanced > Privacy and security > Clear browsing dataFrom here you can select to delete\u00a0the history of your browsing, your download history, all your cookies, cached images and files , saved passwords and more. Firefox Go to the hamburger menu and the section Options > Privacy & Security.In the Content Blocking section; scroll down to get to History.Click on the Clear History button then\u00a0 pick a time range to clear (1, 2, 4, or 24 hours\u2014or everything), and what data to dump (history, logins, forms\/search, cookies, and cache). Edge Go to the three-dot menu and select Settings > Privacy & security.Click the button under Clear browsing data that reads "Choose what to clear."You can get rid of browsing history, cookies, cached data, stored form data, saved tabs, media licenses, website permissions, and stored passwords; click Manage Permissions and you can delete things like sites you've given permission to show pop-ups. Safari Click Clear History in the History menu.In the pop-up, pick a timeframe for how far back you want to erase. Check if the Twitch error 4000 resource format not supported issue still occurs. Try refreshing the website There are instances when the problem can be caused by the browser getting disconnected from the internet. You should try refreshing the website then check if this fixes the issue. Open the tab in which you tried to load the site.Click on the \u201cRefresh\u201d button on the top left of the window by the address bar. Check if the Twitch error 4000 resource format not supported issue still occurs. Close other applications You might have an application running that is playing audio. This can usually interfere with the Twitch stream. To fix this you simply have to close the other applications running in your computer. Check if the Twitch error 4000 resource format not supported issue still occurs. Select the correct audio drivers There\u2019s a possibility that the problem is caused by the use of incorrect audio drivers. Right\u2013click on the sound icon in the bottom right corner.Select the \u201cSounds\u201d option.Click on the \u201cPlayback\u201d heading.Identify the correct audio drivers for your output device and \u201cRight\u2013Click\u201d on them.Select \u201cSet\u2013Default\u201d option to select them as the Default Drivers. Check if the Twitch error 4000 resource format not supported issue still occurs. Change the autoplay options If you are using Google Chrome then its autoplay setting could interfere with the Twitch stream. To fix this just follow the steps listed below. Open the browser and load a new tab.Type in \u201cchrome:flags\u201d in the address bar and press \u201cEnter\u201dFind the \u201cAutoplay Policy\u201d heading, click on the dropdown and select \u201cDocument User Activation is Required\u201c.When this setting is selected, none of the sites will play videos\/audio automatically and you will have to manually press the play button in order to play videos or audio. Check if the Twitch error 4000 resource format not supported issue still occurs.