HomeStreamingFilms & TVHow to Fix Netflix Error Code UI3003, NSES-500 or UI3012

How to Fix Netflix Error Code UI3003, NSES-500 or UI3012

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Netflix has thousands of content that are available for streaming. Users with active subscription plan can binge-watch their favorite series for hours while having more options to choose from in their library. However, it becomes frustrating when you see an error message blocking your way. Many users streaming using a web browser on a Windows 10 PC or Mac computer encounter the following Netflix error codes UI3003, NSES-500, and UI3012.

The Netflix error UI3003 indicates a browser issue as mentioned above. It means that there is an outdated information stored in your web browser app that needs to be refreshed or deleted. A similar case happens when you experience the error code NSES-500 which details an issue with browser cache or cookies.

How-to-Troubleshoot-Fix-Error-Code-NSES-500-when-Streaming-Netflix-on-Web-Browser

When you see the Netflix error code UI3012, on the other hand, it points out a problem with your current WiFi Internet network connection. You will encounter the error message,

“Whoops, something went wrong. Unexpected Error. There was an unexpected error. Please reload the page and try again.”

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How to Troubleshoot & Fix Error Code UI3003, NSES-500, or UI3012 when Streaming Netflix on Web Browser

If the Netflix error codes UI3003 or UI3012 appear on your screen while watching a movie or TV show through your computer browser, do not worry! You are not alone as a lot of users are experiencing the same problem with Netflix. All you have to do is try to troubleshoot the issue and fix it by following the steps below.

Solution #1 – Clear your Netflix Cookies using your Browser

Errors like these could simply be an issue with outdated cache or cookies as indicated in the error message. To fix it, clear your Netflix cookies. First, go to netflix.com/clearcookies on your web browser. It will automatically clear the cookies for you.

Please note that you will need sign in to your streaming account as the process will log you out of it automatically. Now, log in to Netflix account with your credentials and try streaming your content again.

Solution #2 – Check your Internet Network Connection

Nest-Wifi-router-with-Google-Home-App
Credit: Windows Dispatch/Google

Standard-quality streaming on Netflix would require at least 3 Mbps and a high-definition stream is 5 Mbps. You can do a speed test to see if your Internet connection is within the minimum. 

If not, try to improve your signal by moving your router to somewhere elevated and open. You can also bypass the router connection and connect your computer or streaming device directly to your modem using an Ethernet cable.

Solution #3 – Restart your WiFi Internet

  • To do this step, turn off your computer, smart TV, or other streaming device first.
  • Unplug your router and modem and wait for at least 1 minute before plugging them back in.
  • Connect to your Internet and turn on your device.
  • Open Netflix and try again.

Solution #4 – Reset your Internet Settings

Try to reset your DNS setting on your device to its default values, especially if you have customized it before. It will then automatically acquire a new DNS settings for you.

Did any of the solutions above fix your Netflix playback problem on a web browser? If not, what other ways have you tried to resolve the issue? We would love to know more solutions that can also help other users experiencing the same errors. Please share them in the comments below.

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