The error code: ui3012 is one of the most frequently encountered errors for Netflix app. However, plenty of users are still troubled by this annoying error. What causes the Netflix error code ui3012? What can you do to fix the error? This post of MiniTool will show you the answers.

Reasons for Netflix UI3012

Netflix is a wonderful entertainment way that is beloved by numerous users. Even so, it has some issues with itself such as Netflix not working, error code NW-2-5, Netflix ui3012 talked about in this post, and so forth.


The first 2 errors haven been discussed in our previous articles, so you can refer to the posts if you encounter the issues. Today, Netflix error code ui3012 is the topic that this post would focus on. This error will occur when you stream the application.

Besides, the ui3012 will come along with the error message “Whoops, something went wrong…Unexpected Error. There was an unexpected error. Try Reloading the page and try again.” What causes this error? Well, here are several possibilities.

  • The interference of browsers’ extensions
  • The weak Wi-Fi signals
  • The ISP restrictions

According to these possible causes, you can fix the error code: ui3012 with methods below.

Solution 1: Reboot the Home Network

When you encounter the error code: ui3012 on your Netflix app, the first solution is to reboot your home network. How to do that? Here are steps.

Step 1: Switch off your computer.

Step 2: Unplug the modem and the router.

Step 3: Wait for some time, and then plug them back. Then, you should wait the lights on the modem to turn on and resume to a proper state.

Step 4: Switch on the PC and see if the Netflix ui3012 error is fixed successfully.

Solution 2: Check If the Network Supports Streaming

When your computer is connected to other networks, the streaming of the Netflix app can be blocked and cause the ui3012 error code. So, one of solutions to error code: ui3012 is to check if the network streaming supports streaming.

Step 1: Contact your Internet Service Provider to confirm that if the streaming service is supported on the network. Alternatively, you can consult professionals.

Step 2: As many networks have limited bandwidth, you need to check your bandwidth.

Step 3: If you connect to a cellular network, you should know the fact that the cellular data has a slow Internet speed.

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Solution 3: Boost the Signals of Wi-Fi

The weak Wi-FI signal has negative impact on the connectivity of your device and then trigger the Netflix ui3012. Given to that fact, you can take some measures to improve the Wi-Fi signal. Here are some operations that you can have a try.

Operation 1: Shorten the distance between your device and the Wi-Fi router.

Operation 2: Remove any interference items such as TVs, cordless phones, microware oven from the room that your Wi-Fi router is placed. If you are unable to move these items, turn off these devices and then use the Wi-Fi.

Operation 3: Lay your Wi-Fi router about 3-4 feet high. Besides, you need to ensure that there’s no other items nearby it.

Operation 4: If the ui3012 issue still persists after executing the above operations, you can try a direct wired or ethernet connection.

Solution 4: Disable the Browsers Extensions

As mentioned earlier, the interference of browsers’ extensions is also responsible for the error code: ui3012. So, if you encounter the error, try disabling the browsers’ extensions. Here, take Firefox as an example.

Step 1: Launch the Firefox browser to enter its main interface.

Step 2: Click on the three-dot icon in the right corner of browser.

Step 3: From the drop-down menu, click on Add-ons.

Step 4: Find any addons that you are suspicious of and change the status to Off position.

Tip: If you have difficulty in finding the browser addon, you can disable all the addons and then enable them one by one until you find the faulty addon. 
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