Fix Netflix Error Code UI3012

When you are enjoying Netflix videos, you may end up with Netflix error code UI3012. This indicates connectivity issues that will not go away from your Windows PC unless you troubleshoot them from roots. Netflix error UI3012 occurs not only on a Mac device or Windows 10 PC but also on an Apple TV or mobile app.

Fix Netflix Error Code UI3012

How to Fix Netflix Error Code UI3012

You will face the error code along with the following error message.

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

Let’s see how to fix Netflix Error Code UI3012:

Method 1: Basic Troubleshooting Steps

Follow these basic troubleshooting methods:

  • Restart PC: First and foremost, you can troubleshoot Netflix error code UI3012 by restarting your computer. This will resolve all the temporary glitches associated with the browser and application.
  • Refresh Page: As suggested by Netflix, reloading Netflix pages will resolve the browser conflicts and Netflix error code UI3012 as well. Also, check if there are any server issues and if you use the latest version of Netflix.
  • Connect to Different Network: If you have connected to a public network, your administrator might have disabled a few sites and applications. In this case, connect to a different network if possible and check if you have fixed the issue.
  • Increase Signal Strength: You can increase the Wi-Fi signal strength by moving yourself towards the router and removing the obstacles (wireless phones, microwaves, etc) that interfere with the network.
  • Switch to Another Browser: If there are any browser-related issues in your Windows 10 PC, you could resolve the same by simply switching to some other browsers. By doing so, you can identify whether the problem is associated with the app or the browser.
  • Switch to Wired Connection: If you are using a Wi-Fi signal, connect your Windows PC and router using an Ethernet cable. Then, play Netflix and check if the problem persists.

Method 2: Log in to Netflix Again

Signing out of the Netflix account will clear any problems in your account and credentials. Wait for some time, log in to your account again as instructed.

1. Click on Sign Out in the top right corner of the Netflix screen.

2. Once you have signed out of your Netflix account, wait for 30 seconds or reboot your computer. Then, click on Sign In.

3. Type your credentials and check if you face Netflix error UI3012 again.

Also Read: How to Change Password on Netflix

Method 3: Restart Home Network

Follow the given steps to restart Home network.

Option I: Restart Router

Rebooting your network could resolve and handle Netflix error code UI3012. Here are a few simple methods to restart your router.

1. Find the Power button at the back of your router.

2. Press the button once to turn it off.

3. Now, disconnect your Router power cable and wait until the power is entirely drained from the capacitors.

4. Then, reconnect the power cable and switch it on after a minute. 

5. Wait until the network connection is re-established and try signing in again.

Option II: Reset Router

If restarting the router did not fix the error then try resetting your router.

Note 1: All the settings and setups like forwarded ports, black-listed connections, credentials, etc., will be erased. So, make sure to keep an account of these before proceeding to the instructions discussed below.

Note 2: After Reset, the router will switch back to its default settings and authentication password. So, use its default credentials to log-in after the reset.

1. Open the router settings using the default gateway IP address. Then, use your credentials to Login as shown.

login your credential in prolink adsl router login

2. Note down all the configuration settings. You will require them after resetting the router as you may lose your ISP credentials if you use a P2P protocol (Point-to-Point Protocol over the Internet)

3. Now, hold the Reset button on your router for 10-30 seconds.

Note: You have to use pointing devices like a pin, or toothpick to press the RESET button in some Routers.

router reset 2. Fix Netflix Error Code UI3012

4. The router will automatically turn off and turn back on. You can release the button when the lights begin to blink.

5. Re-enter configuration details for the router on the webpage.

Check if the Netflix error UI3012 is resolved. 

Method 4: Disable VPN

The Virtual Private Network (VPN) can interfere with the Netflix servers and the network connection.Yet, these VPN servers might cause troubles in Netflix login causing error UI3012. You are advised to disable VPN networks by following the below-listed instructions.

1. Hit the Windows key and type VPN settings in the search bar. Click on Open.

2. Disconnect the active VPN service and toggle off the VPN options.

Also Read: How to Stream Netflix in HD or Ultra HD

Method 5: Disable Proxy

A proxy server increases the speed, compresses traffic, and conserves the bandwidth of your network. Also, the busy network is cleared up with some space by stripping ads from websites so you can access your network quickly. This also interferes with Netflix thereby causing error UI3012. You are advised to disable proxy by following the below-listed instructions.

1. Exit from Netflix and make sure you close all the background processes related to Netflix from Task Manager.

2. Hit the Windows button, type Proxy and Open.

3. Here, toggle OFF the following settings.

  • Automatically detect settings
  • Use setup script
  • Use a proxy server

Here, toggle OFF Proxy settings. How to Fix Netflix Error Code UI3012

4. Now, launch Netflix again and try if you can access it without any errors.

Method 6: Change DNS Address

Several users have reported that Netflix error code UI3012 can be fixed by changing the DNS address provided by your Internet Service Provider. You may use Google DNS address to tackle the issue and here are a few instructions to change the DNS address of your PC.

1. Launch the Run dialog box by pressing Windows + R key together.

2. Now, type the following command and hit Enter.


3. Right-click on your active network adapter and click on Properties.

right-click on your active Network adapter and click on Properties

4. The Wi-Fi Properties window will pop up. Click on Internet Protocol Version 4(TCP/IPv4) and click on Properties.

Note: You can also double-click on Internet Protocol Version 4(TCP/IPv4) to open the Properties window.

5. Select the Use the following DNS server addresses option. Then, enter the below-mentioned values in the field of Preferred DNS server and Alternate DNS server.

Enter the values. How to Fix Netflix Error Code UI3012

6. Check to Validate settings upon exit and click on OK.

Check Validate settings upon exit and click on OK.

7. Close the window, and this method will fix Netflix error UI3012.

Also Read: Is The Meg on Netflix?

Method 7: Disable Firewall (Not Recommended)

If the security suite of Windows Defender Firewall is blocking a few features of Netflix, here are a few options to deal with.

Option I: Whitelist Teams in Firewall

1. Hit the Windows key and type Windows Defender Firewall. Click on Open.

2. In the pop-up window, click on Allow an app or feature through Windows Defender Firewall.

3. Click Change settings. Finally, check for Netflix to allow through the Firewall.

4. You can use Allow another app… to browse Netflix if it does not exist in the list.

5. Finally, click OK to save the changes. Check if you have fixed the error.

Click on allow another app

Option II: Disable Firewall Temporarily

Note: If you disable the Firewall, it makes your computer more vulnerable to malware or virus attacks. Hence, if you choose to do so, make sure to enable it soon after you are done fixing the issue.

1. Launch Control Panel by typing in the Windows search box. Click on Open.

2. Select System and Security.

3. Click on Windows Defender Firewall.

4. Select the Turn Windows Defender Firewall on or off option.

select the Turn Windows Defender Firewall on or off option at the left menu

5. Check the boxes next to the Turn off Windows Defender Firewall (not recommended) option wherever available on this screen.

Check the boxes next to the Turn off Windows Defender Firewall

Also Read: How to Use Netflix Party to Watch Movies with Friends 

Method 8: Reset Network

This is the last option to fix Netflix error code UI3012. Network setting will bring all the network settings to their default settings and so, will help you resolve the error.

Note: To perform a Network reset, make sure your PC runs in Windows 10 version 1607 or later. To check your version, follow this path. Settings > System > About. Once you have reset your network, you have to reinstall all networking software like VPN clients or Virtual switches.

1. Press and hold Windows + I keys together to open Windows Settings.

2. Click on Network & Internet.

3. Click on the Status tab in the left pane and scroll down the right screen to click on Network reset.

4. Finally, confirm the prompt by clicking on Reset now.

Finally, confirm the prompt by clicking on Reset now

Now, your PC restarts. Ultimately, Netflix error code UI3012 will be fixed now.

Still, if you face the error again, perform a system restore of your Windows 10 PC and if you assume any abnormal connectivity issues, contact your Internet Service Provider (ISP) immediately.

Recommended: How to Fix Netflix Error UI3010

We hope that this guide was helpful and you could fix Netflix error code UI3012 in your device. Let us know which method worked for you the best. Keep visiting our page for more cool tips & tricks and leave your comments below.

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