当您欣赏Netflix视频时，您可能会遇到Netflix错误代码UI3012。这表明连接问题不会从您的Windows PC 中消失，除非您从根本上解决它们。Netflix错误UI3012不仅出现在Mac设备或Windows 10 PC 上，还出现在Apple TV 或移动应用程序上。

如何修复 Netflix 错误代码 UI3012^{(How to Fix Netflix Error Code UI3012)}

您将面临错误代码以及以下错误消息。

糟糕，出了点问题……
Unexpected Error
出现意外错误。请刷新页面，然后再试一次。^{(Whoops, something went wrong … Unexpected Error There was an unexpected error. Please reload the page and try again.)}

在本指南中，您将了解原因以及故障排除步骤。所以，继续阅读。

是什么导致 Netflix 错误 UI3012？^{(What Causes Netflix Error UI3012?)}

以下是导致Netflix^(Netflix)中出现 UI3012 错误的一些原因。深入分析^(Analyze)它们，以便您可以轻松解决问题。

• 网络连接问题。
• 网络信号差。
• 互联网干扰。
• 网络设置不正确。
• 网线不好。
• 不兼容的浏览器扩展。
• ISP 服务是有限的。
• VPN/代理服务器干扰。

在本节中，我们编制了一系列故障排除方法，可帮助您修复Netflix错误UI3012。按照相同的顺序进行操作，以在Windows 10 PC 中获得最佳效果。

方法 1：基本故障排除步骤^{(Method 1: Basic Troubleshooting Steps)}

请遵循以下基本故障排除方法：

• 重新启动 PC：^{(Restart PC: )}首先，您可以通过重新启动计算机来解决Netflix错误代码UI3012。这将解决与浏览器和应用程序相关的所有临时故障。
• 刷新页面：^{(Refresh Page: )}根据Netflix的建议，重新加载Netflix页面也将解决浏览器冲突和Netflix错误代码UI3012。此外，检查是否有任何服务器问题，以及您是否使用最新版本的Netflix。
• 连接到不同的网络：^{(Connect to Different Network: )}如果您已连接到公共网络，您的管理员可能禁用了一些站点和应用程序。在这种情况下，如果可能，请连接到不同的网络并检查您是否已解决问题。
• 增加信号强度：^{(Increase Signal Strength: )}您可以通过将自己靠近路由器并移除干扰网络的障碍物（无线电话、微波炉等）来增加 Wi-Fi 信号强度。
• 切换到其他浏览器：^{(Switch to Another Browser: )}如果您的 Windows 10 PC 中存在任何与浏览器相关的问题，您只需切换到其他一些浏览器即可解决相同问题。通过这样做，您可以确定问题是否与应用程序或浏览器相关。
• 切换到有线连接：^{(Switch to Wired Connection: )}如果您使用的是 Wi-Fi 信号，请使用以太网^(Ethernet)电缆连接您的Windows PC 和路由器。^(Windows)然后，播放Netflix并检查问题是否仍然存在。

方法 2：再次登录 Netflix^{(Method 2: Log in to Netflix Again)}

退出Netflix帐户将清除您的帐户和凭据中的任何问题。稍等片刻^(Wait)，按照提示重新登录您的帐户。

1. 单击Netflix屏幕右上角的注销。^{(Sign Out )}

2. 退出Netflix帐户后，等待 30 秒或重新启动计算机。然后，单击登录^{(Sign In)}。

3. 输入您的凭据并检查您是否再次遇到Netflix错误UI3012。

另请阅读：^{(Also Read:)} 如何在 Netflix 上更改密码^{(How to Change Password on Netflix)}

方法三：重启家庭网络^{(Method 3: Restart Home Network)}

按照给定的步骤重新启动家庭^(Home)网络。

选项一：重启路由器^{(Option I: Restart Router)}

重新启动您的网络可以解决和处理Netflix错误代码UI3012。以下是一些重启路由器的简单方法。

1. 找到路由器背面的 电源按钮^{(Power button)} 。

2. 按一下按钮 将其关闭。^{(turn it off.)}

3. 现在， 断开^(disconnect)路由器电源线^{(Router power cable)} 并  等待电容器完全耗尽电力。

4. 然后， 重新连接^(reconnect) 电源 线^{(power cable)} 并在一分钟后将其打开。 

5.等待^(Wait)网络连接重新建立，然后 再次尝试登录^{(try signing in again)}。

选项二：重置路由器^{(Option II: Reset Router)}

如果重新启动路由器没有解决错误，请尝试重置您的路由器。

注意 1：^{(Note 1:)} 所有设置和设置，如转发端口、黑名单连接、凭据等，都将被删除。因此，在继续执行下面讨论的说明之前，请务必记下这些内容。

注2：^{(Note 2:)}重置^(Reset) 后，路由器将切换回默认设置和认证密码。因此，重置后使用其默认凭据登录。

 1.使用 默认网关IP地址 ^{(default gateway IP address. )}打开 路由器设置。^{( router settings)}然后，使用您的凭据 登录，^(L)如图^(ogin) 所示。

2. 记下所有 配置设置^{(configuration settings)}。重置路由器后您将需要它们，因为如果您使用 P2P 协议（​​Internet 上的点对点协议） ，您可能会丢失^{(Point-to-Point Protocol over the Internet))}ISP凭据^(ISP)

3. 现在，按住路由器上的 重置按钮^{(Reset button)} 10-30 秒。

注意：^(Note:) 在某些路由器中， 您必须使用 大头针 ^(pin, )或 牙签 ^{(toothpick )}等定位设备来按下 RESET按钮。^(RESET)

4. 路由器会自动 关机再开机^{(turn off and turn back on)}。 当 指示灯开始闪烁^{( lights begin to blink)}时，您可以 松开按钮^{(release the button)}。

5.  在网页上重新输入路由器的^(Re-enter) 配置详细信息。^{(configuration details)}

检查Netflix错误UI3012是否已解决。 

方法 4：禁用 VPN^{(Method 4: Disable VPN )}

虚拟专用网络^{(Virtual Private Network)}( VPN ) 可能会干扰Netflix服务器和网络连接。然而，这些VPN服务器可能会导致Netflix登录出现问题，从而导致错误UI3012。建议您按照下面列出的说明禁用 VPN网络。^{(disable VPN)}

1. 点击Windows 键^{(Windows key )}并在搜索栏中输入VPN 设置^{(VPN settings )}。点击打开^(Open)。

2. 断开激活的VPN服务并关闭VPN 选项^{(VPN options)}。

另请阅读：^{(Also Read:)} 如何以高清或超高清流式传输 Netflix^{(How to Stream Netflix in HD or Ultra HD)}

方法 5：禁用代理^{(Method 5: Disable Proxy)}

代理服务器^{(proxy server)}可提高速度、压缩流量并节省网络带宽。此外，通过从网站上删除广告，可以为繁忙的网络腾出一些空间，以便您可以快速访问您的网络。这也会干扰Netflix ，从而导致错误UI3012。建议您按照下面列出的说明禁用代理。

1. 退出Netflix并确保从任务管理器中关闭所有与^{(Task Manager)}Netflix相关的后台进程。

2. 点击Windows按钮，输入Proxy和Open。

3. 在这里，关闭以下设置。

• 自动检测设置^{(Automatically detect settings)}
• 使用设置脚本^{(Use setup script)}
• 使用代理服务器^{(Use a proxy server)}

4. 现在，再次启动Netflix并尝试是否可以正常访问它。

方法 6：更改 DNS 地址^{(Method 6: Change DNS Address)}

一些用户报告说，Netflix错误代码UI3012可以通过更改您的互联网服务提供商提供的^{(Internet Service Provider)}DNS地址来修复。您可以使用Google DNS地址来解决这个问题，这里有一些说明来更改您的 PC 的DNS地址。

1. 同时按Windows + R key 运行对话框^{(Run dialog box )}。

2. 现在，输入以下命令并按Enter。

国家石油公司^(ncpa.cpl)

3. 右键单击​​您的活动网络适配器，然后单击属性^(Properties)。

4.将弹出Wi-Fi属性窗口。^(Properties)单击^(Click)Internet Protocol Version 4(TCP/IPv4) ，然后单击属性。^{(Properties.)}

注意：^(Note:)您也可以双击Internet 协议版本 4^{(Internet Protocol Version 4)} ( TCP/IPv4 ) 打开“属性^(Properties)”窗口。

5. 选择使用以下 DNS 服务器地址^{(Use the following DNS server addresses)}选项。然后，在首选 DNS 服务器^{(Preferred DNS server)}和备用 DNS 服务器^{(Alternate DNS server)}字段中输入以下值。

8.8.8.8
8.8.4.4

6. 选中退出时验证设置，^{(Validate settings upon exit)}然后单击确定^(OK)。

7.关闭窗口，此方法将修复Netflix错误UI3012。

另请阅读：^{(Also Read: )}梅格在 Netflix 上吗？^{(Is The Meg on Netflix?)}

方法 7：禁用防火墙（不推荐）^{(Method 7: Disable Firewall (Not Recommended))}

如果Windows Defender 防火墙^{(Windows Defender Firewall is blocking)}的安全套件阻止了Netflix的一些功能，这里有几个选项可以处理。

选项 I：防火墙中的白名单团队^{(Option I: Whitelist Teams in Firewall)}

1. 按Windows 键^{(Windows key )}并键入Windows Defender 防火墙。^{(Windows Defender Firewall. )}点击打开^(Open)。

2. 在弹出窗口中，单击 允许应用程序或功能通过 Windows Defender 防火墙^{(Allow an app or feature through Windows Defender Firewall)}。

3. 单击 更改设置^{(Change settings)}。最后，检查Netflix是否允许通过防火墙。

4.如果列表中不存在Netflix，您可以使用允许其他应用…^{(Allow another app… )}浏览Netflix 。

5. 最后，单击 确定^(OK) 保存更改。检查您是否已修复错误。

选项二：暂时禁用防火墙^{(Option II: Disable Firewall Temporarily)}

注意：^{(Note: )}如果您禁用防火墙^(Firewall)，它会使您的计算机更容易受到恶意软件或病毒的攻击。因此^(Hence)，如果您选择这样做，请确保在解决问题后尽快启用它。

1.通过在Windows搜索框中键入来启动控制面板。^{(Control Panel)}点击打开^(Open)。

2. 选择系统和安全^{(System and Security)}。

3. 单击Windows Defender 防火墙。^{(Windows Defender Firewall.)}

4. 选择打开或关闭 Windows Defender 防火墙^{(Turn Windows Defender Firewall on or off)}选项。

5. 选中此屏幕上可用的关闭 Windows Defender 防火墙（不推荐）^{(Turn off Windows Defender Firewall (not recommended))}选项旁边的框。

另请阅读：^{(Also Read:)} 如何使用 Netflix Party 与朋友一起观看电影 ^{(How to Use Netflix Party to Watch Movies with Friends )}

方法八：清除浏览器缓存^{(Method 8: Clear Browser Cache)}

任何损坏的浏览数据和缓存都会导致正常的互联网冲浪体验出错^{(memory will cause errors)}。如果您使用的是Netflix浏览器内版本并遇到任何错误代码，建议您按照以下说明清除浏览器缓存。

选项一：在谷歌浏览器中清除缓存^{(Option I: Clear Cache in Google Chrome)}

1. 启动Chrome浏览器。

注意：^{(Note: )}您可以通过在搜索栏中输入chrome://settings/clearBrowserData直接导航页面以删除Chrome中的浏览历史记录。^(Chrome)

2. 点击右上角的三点图标^{(three-dotted icon)}。

3. 单击更多工具^{(More tools)}选项。

4.接下来，点击清除浏览数据...^{(Clear browsing data… )}

5. 在这里，选择要完成的操作的时间范围。^(Time)例如，如果要删除整个数据，请选择所有时间^{(All time)}并单击清除数据。^{(Clear data.)}

注意^(Note)：确保在从浏览器中清除数据之前选中Cookie 和其他站点数据框^{(Cookies and other site data box )}和缓存^{(Cached images and files)}的图像和文件框。

选项二：清除 Microsoft Edge 中的缓存^{(Option II: Clear Cache in Microsoft Edge)}

1. 启动Edge 浏览器^{(Edge browser )}并打开一个新选项卡。单击三点图标。^{(three-dotted icon.)}

注意：^{(Note: )}您可以通过在搜索栏中输入edge://settings/clearBrowserData 直接导航页面以删除Edge中的浏览历史记录。^(Edge)

2. 导航到左侧窗格中的隐私、搜索和服务^{(Privacy, search, and services )}选项。

3.向下滚动^(Scroll)右侧屏幕并单击选择要清除的内容。^{(Choose what to clear.)}

4. 在下一个窗口中，根据您的偏好选择框，例如浏览历史记录、Cookie 和其他站点数据、缓存的图像和文件^{(Browsing history, Cookies and other site data, Cached images and files, )}等，然后单击立即清除^{(Clear now)}。

5. 最后，您的所有浏览数据现在将被清除。

选项 III：在 Firefox 中清除缓存^{(Option III: Clear Cache in Firefox)}

1. 启动Firefox并打开一个新选项卡。

2. 单击屏幕右上角的菜单图标。^{(Menu )}

3.从下拉列表中选择设置选项。^{(Settings )}

4. 导航到隐私和安全^{(Privacy & Security )}部分，然后单击Cookie 和站点数据^{(Cookies and Site Data )}菜单中的清除数据。^{(Clear Data)}

5. 取消选中Cookies 和站点数据^{(Cookies and Site Data )}框并选中缓存的 Web 内容^{(Cached Web Content)}框。

7. 最后，点击清除^{(Clear )}按钮清除Firefox缓存的 cookie。

另请阅读：^{(Also Read:)} 如何修复 Netflix 错误代码 M7111-1101^{(How to Fix Netflix Error Code M7111-1101)}

方法 9：禁用浏览器扩展^{(Method 9: Disable Browser Extensions)}

您可以享受浏览器插件和扩展的广泛优势。当涉及到错误和问题时，有时过时的扩展和不兼容的附加组件可能会导致Netflix错误代码UI3012。要解决此类问题，请按照以下说明进行操作。

选项 I：禁用 Chrome 扩展程序^{(Option I: Disable Chrome Extensions)}

1. 启动谷歌 Chrome 浏览器。^{(Google Chrome browser.)}

注意：^{(Note: )}直接到扩展页面，在搜索栏中输入chrome://extensions/Enter。

2. 点击右上角的三点图标^{(three-dotted icon )}。

3. 选择更多工具^{(More tools )}选项。

4. 点击扩展^(Extensions)。

5. 最后，关闭^{(turn off )}您要禁用的扩展程序。如果您在禁用任何特定扩展程序后没有遇到任何错误，请单击“删除^{(Remove )}”选项将其从浏览器中删除。

选项二：禁用边缘扩展^{(Option II: Disable Edge Extensions)}

1.启动Edge浏览器^{(Edge browser )}，点击右上角的三点图标^{(three-dotted icon )}。

注意：^{(Note: )}要跳过很长的步骤以到达扩展页面，请在搜索栏中键入edge://extensions/ Enter。

2. 点击扩展^(Extensions)。

3. 选择任何扩展并点击管理扩展^{(Manage extensions)}。

4.关闭^{(Toggle off)}扩展并检查您是否再次遇到错误。

5. 同样地，将所有扩展一个一个禁用，同时检查错误是否再次出现。如果您在删除任何特定扩展程序后发现错误未弹出，请从浏览器中完全卸载它。

6. 选择相应的扩展名并单击如图所示的三点图标。^{(three-dotted icon )}选择从 Microsoft Edge^{(Remove from Microsoft Edge )}中删除选项。

7. 点击删除^(Remove)确认提示。

选项 III：禁用 Firefox 扩展^{(Option III: Disable Firefox Extensions)}

1. 启动Firefox并单击菜单^{(Menu )}图标。

2. 从列表中选择附加组件和主题^{(Add-ons and themes )}选项。

3. 单击左侧窗格中的扩展并关闭^{(Extensions )}扩展^{(toggle off)}。

4. 将所有扩展一一禁用，反复检查是什么原因造成的。

5. 最后，如果您确定是哪个扩展程序给您带来了麻烦，请单击与其对应的三点图标，然后选择“^{(three-dotted icon )}删除^{(Remove )}”选项。

方法10：重新安装浏览器^{(Method 10: Reinstall Browser)}

某些浏览器错误在重新安装之前无法解决。如果您厌倦了处理与Netflix错误UI3012相关的浏览冲突，这里有一些重新安装浏览器的说明。

注意：^{(Note: )}这里以火狐浏览器^(Firefox)为例。根据您的浏览器执行步骤。

1. 点击Windows 键^{(Windows key )}并在搜索栏中输入控制面板^{(Control Panel )}。点击打开^(Open)。

2. 点击卸载程序^{(Uninstall a program)}。

3. 如图所示，单击Mozilla Firefox (x64 en-US)并选择卸载^{(Uninstall )}选项。

4. 确认提示（如果有）并等待浏览器从您的计算机中卸载。

5. 按Windows 键^{(Windows key )}并输入%localappdata%. Click on Open.

6. 双击Mozilla文件夹将其打开。

7. 右键单击​​ Firefox文件夹并选择删除^{(Delete )}选项。

8. 按Windows 键^{(Windows key )}并输入%appdata%. Click on Open.

9. 双击Mozilla文件夹将其打开。

10. 右键单击​​ Firefox文件夹并选择删除^{(Delete )}选项。

11. 重新启动您的 Windows 10 电脑。

12. 如图所示下载最新版本的Firefox。

13. 最后，运行安装文件^{(setup file )}并按照屏幕上的说明安装Firefox。

另请阅读：^{(Also Read:)} 如何更改计算机上的 Netflix 视频质量^{(How to Change Netflix Video Quality on your Computer)}

方法11：重置网络^{(Method 11: Reset Network )}

这是修复Netflix错误代码UI3012的最后一个选项。网络^(Network)设置会将所有网络设置恢复为默认设置，因此将帮助您解决错误。

注意：^{(Note: )}要执行网络^(Network)重置，请确保您的 PC 在Windows 10版本 1607 或更高版本中运行。要检查您的版本，请遵循此路径。Settings > System > About。重置网络后，您必须重新安装所有网络软件^{(networking software )}，例如VPN 客户端^{(VPN clients)}或虚拟交换机^{(Virtual switches)}。

1. 同时按住Windows + I keys 打开Windows 设置^{(Windows Settings)}。

2. 点击网络和互联网^{(Network & Internet)}。

3. 单击左侧窗格中的状态^{(Status )}选项卡并向下滚动右侧屏幕以单击网络重置^{(Network reset)}。

4. 最后，点击Reset now确认提示。

现在，您的 PC 重新启动。最终，Netflix错误代码UI3012现在将得到修复。

不过，如果您再次遇到错误，请执行 Windows 10 PC 的系统还原^{(perform a system restore)}，如果您认为有任何异常连接问题，请立即联系您的Internet 服务提供商^{(Internet Service Provider)}( ISP )。

受到推崇的：^{(Recommended:)}

• 修复谷歌浏览器自动打开^{(Fix Google Chrome Opens Automatically)}
• 如何修复 Netflix 错误 UI3010^{(How to Fix Netflix Error UI3010)}
• 修复 Windows 更新 0x8007000d 错误^{(Fix Windows Update 0x8007000d Error)}
• 修复 Zoom 无法连接错误代码 5003^{(Fix Zoom Unable to Connect Error Code 5003)}

我们希望本指南对您有所帮助，您可以修复设备中的Netflix 错误代码 UI3012^{(Netflix error code UI3012)}。让我们知道哪种方法最适合您。继续访问我们的页面以获取更多很酷的提示和技巧，并在下面留下您的评论。

Fix Netflix Error Code UI3012

When уou are enjoying Netflix videos, you may end up wіth Netflix error code UI3012. This indicates connectivity issues that wіll not go away from your Windows PС unlеss you troubleshoot them from roots. Netflix error UI3012 оccυrs not оnly on a Mac dеνice or Windows 10 PC but also on an Apple TV or mobile app.

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.

In this guide, you will learn the reasons accompanied by troubleshooting steps for the same. So, continue reading.

What Causes Netflix Error UI3012?

Here are some reasons that cause UI3012 errors in Netflix. Analyze them deeply so that you can troubleshoot the problem easily.

• Network connectivity issues.
• Poor network signal.
• Internet interference.
• Incorrect network settings.
• Bad network cable.
• Incompatible browser extensions.
• ISP services are limited.
• VPN/Proxy server interference.

In this section, we have compiled a list of troubleshooting methods that will help you fix Netflix error UI3012. Follow them in the same order to attain the best results in Windows 10 PC.

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.

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.

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

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.

ncpa.cpl

3. 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.

8.8.8.8
8.8.4.4

6. Check to 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.

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.

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

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

Method 8: Clear Browser Cache

Any corrupt browsing data and cache memory will cause errors in the normal internet surfing experience. If you are using Netflix in-browser version and facing any error codes, it is advisable to clear the browser cache as instructed below.

Option I: Clear Cache in Google Chrome

1. Launch the Chrome browser.

Note: You can directly navigate the page to delete browsing history in Chrome by typing chrome://settings/clearBrowserData in the search bar.

2. Click on the three-dotted icon at the top right corner.

3. Click on the More tools option.

4. Next, click on Clear browsing data…

5. Here, select the Time range for the action to be completed. For example, if you want to delete the entire data, select All time and click on Clear data.

Note: Ensure that the Cookies and other site data box and Cached images and files box are checked before clearing the data from the browser.

Option II: Clear Cache in Microsoft Edge

1. Launch Edge browser and open a new tab. Click on the three-dotted icon.

Note: You can directly navigate the page to delete browsing history in Edge by typing edge://settings/clearBrowserData in the search bar.

2. Navigate to the Privacy, search, and services option in the left pane.

3. Scroll down the right screen and click on Choose what to clear.

4. In the next window, select the boxes according to your preferences like Browsing history, Cookies and other site data, Cached images and files, etc, and click on Clear now.

5. Finally, all your browsing data will be cleared now.

Option III: Clear Cache in Firefox

1. Launch Firefox and open a new tab.

2. Click on the Menu icon at the top right corner of the screen.

3. Select the Settings option from the drop-down list.

4. Navigate to the Privacy & Security section and click on Clear Data in the Cookies and Site Data menu.

5. Uncheck the Cookies and Site Data box and check Cached Web Content box.

7. Finally, click on the Clear button to clear the Firefox cached cookies.

Also Read: How to Fix Netflix Error Code M7111-1101

Method 9: Disable Browser Extensions

You can enjoy a wide scope of advantages of browser add-ons and extensions. When it comes to errors and problems, sometimes outdated extensions and incompatible add-ons may contribute to Netflix error code UI3012. To tackle such issues, follow the below-mentioned instructions.

Option I: Disable Chrome Extensions

1. Launch the Google Chrome browser.

Note: To the extensions page directly, type chrome://extensions/ in the search bar and hit Enter.

2. Click on the three-dotted icon at the top right corner.

3. Select the More tools option.

4. Click on Extensions.

5. Finally, turn off the extension you want to disable. If you did not face any error after disabling any particular extension, then click on the Remove option to delete it from your browser.

Option II: Disable Edge Extensions

1. Launch Edge browser and click on the three-dotted icon at the top right corner.

Note: To skip the long steps to reach the extensions page, type edge://extensions/ in the search bar and hit Enter.

2. Click on Extensions.

3. Select any extension and click on Manage extensions.

4. Toggle off the extension and check if you face the error again.

5. Likewise, disable all the extensions one by one and simultaneously check if the error recurs. If you find the error does not pop up after removing any particular extension, then uninstall it completely from your browser.

6. Select the respective extension and click on the three-dotted icon as shown. Select the Remove from Microsoft Edge option.

7. Confirm the prompt by clicking on Remove.

Option III: Disable Firefox Extensions

1. Launch Firefox and click on the Menu icon.

2. Select the Add-ons and themes option from the list.

3. Click on Extensions in the left pane and toggle off the extensions.

4. Disable all the extensions one by one and check which is causing the issue by checking it repeatedly.

5. Finally, if you have identified which extension is causing you the trouble, click on the three-dotted icon corresponding to it and select the Remove option.

Method 10: Reinstall Browser

Some browser errors will not be resolved until they are reinstalled. If you are tired of dealing with browsing conflicts associated with Netflix error UI3012, here are a few instructions to reinstall your browser.

Note: Here, Firefox is taken as an example. Follow the steps according to your browser.

1. Hit the Windows key and type Control Panel in the search bar. Click on Open.

2. Click on Uninstall a program.

3. Click on Mozilla Firefox (x64 en-US) as shown and select the Uninstall option.

4. Confirm the prompt if any and wait until the browser gets uninstalled from your computer.

5. Hit the Windows key and type %localappdata%. Click on Open.

6. Double-click on the Mozilla folder to open it.

7. Right-click on the Firefox folder and select the Delete option.

8. Hit the Windows key and type %appdata%. Click on Open.

9. Double-click on the Mozilla folder to open it.

10. Right-click on the Firefox folder and select the Delete option.

11. Reboot your Windows 10 PC.

12. Download the latest version of Firefox as shown.

13. Finally, run the setup file and follow the on-screen instructions to install Firefox.

Also Read: How to Change Netflix Video Quality on your Computer

Method 11: 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.

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.

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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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