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Netflix Error UI3012

If you experience the error code UI3012 on your computer, often accompanied by the following message:

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

It typically points to a network connectivity issue that is preventing your computer from reaching the Netflix service. Follow the troubleshooting steps below to resolve the issue.

Public networks:

For Wi-Fi in places like a café, hotel, or school, ask if video services like Netflix are blocked.

Private networks:

Check if your connection is slower than our recommended speeds and contact your internet service provider if you need help.

Connections like mobile hotspots, cellular, or satellite networks might be too slow to use Netflix.


For this step, make sure to leave your computer powered off and all of your home network equipment unplugged as a group for 30 seconds before plugging each device back in one by one.

  1. Turn off your computer.

  2. Unplug your modem (and your wireless router, if it's a separate device) from power for 30 seconds.

  3. Plug in your modem and wait until the indicator lights are back to its normal state. If your router is separate from your modem, plug it in and wait until the indicator lights are back to its normal state.

  4. Turn your computer back on and try Netflix again.

Tablet and modem show succesful Wi-Fi connection

To get a better signal you can:

  • Move your router and your device closer to each other. If possible, put them in the same room.

  • Move your router away from other wireless devices and appliances.

  • Keep your router in an open space off the floor. Routers get better reception when on a desk or bookshelf.

If you've changed the connection settings on your device, you'll need to change them back to default.

These settings could include:

  • Custom modem settings.

  • Virtual Private Network (VPN) or proxy service settings.

  • Custom DNS settings.

If you need help changing these settings, contact the device manufacturer.

Once you've reset these settings, try Netflix again.

If the steps don't fix the problem, contact your internet service provider (ISP) for help fixing a network connection issue.

Your ISP can:

  • Check for an internet outage in your area.

  • Fix common router or modem issues and incorrect network settings.

  • Restart or reset your network's connection.

While talking with your ISP, let them know:

  • Whether the issue happens only on one device, or other devices on the same network.

  • Whether your device connects using Wi-Fi or directly using a cable.

Before you finish talking with your ISP:

  • Using a web browser, go to fast.com to test your internet speed and connection directly to Netflix.

  • Try playing Netflix again to make sure the problem is fixed.

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