How To Fix: Netflix Errors MSL 5003, UI-800-3, And 3-5003?

Are you also finding trouble While streaming Netflix online on your device? Is your Netflix account Showing Netflix Errors MSL 5003, UI-800-3, And 3-5003? If yes then, you are not the only one facing this issue. In this article, we will tell you what these errors are and How to fix them.

As we said that you are not the only one facing these Netflix Errors MSL 5003, UI-800-3, And 3-5003. Recently, Netflix users from Finland, UK, Indiana, South Korea, Germany, and Norway have reported these errors frequently occurring on their devices. So, here we are with the article on how to fix Netflix Errors MSL 5003, UI-800-3, And 3-5003? 

How To Fix Netflix Errors MSL 5003, UI-800-3, And 3-5003?

To fix the Netflix Errors MSL 5003, UI-800-3, And 3-5003, try out the following troubleshooting methods

1. Test Your Internet Connection
2. Restart Your PC
3. Change The Web Browser’s Settings
4. Directly Connect The Modem
5. Connect/Disconnect The VPN
6. Sign Out of Netflix
7. Clear The Netflix App Data
8. Reinstall The Netflix Application

Netflix Errors MSL 5003, UI-800-3, And 3-5003 mean that you need to refresh your device and the IP address. Given below is the step to step guide of all the troubleshooting methods mentioned above.

Fix: Netflix Errors MSL 5003, UI-800-3, And 3-5003

According to the source, the Netflix Errors MSL 5003, UI-800-3, And 3-5003 are reported from the Desktop version of the Netflix application. So, this guide will tell you the troubleshooting methods on the Desktop as well as the Amazon Firestick version of the Netflix Application.

Desktop

As we already told you that the desktop version of Netflix is majorly facing the Netflix errors MSL 5003 and 3-5003. So, here are the troubleshooting fixes that will solve these Netflix Errors.

Test Your Internet Connection

The very basic thing required to stream any OTT platform is the internet connection. So, the first fix to the Netflix Errors MSL 5003, UI-800-3, And 3-5003 is to test the Internet connection. Well, there are several ways to do so. But, here we have mentioned the simplest method.

1. Open the google chrome browser on your desktop.
2. In the search box type “Internet Speed Test”.
3. On the first page that appears, search for the “Run Speed Test”.
4. This will show you the connection speed and if it is low, then you know what the problem is.

Restart Your PC

If the troubleshooting method above does not fix the Netflix Errors MSL 5003, UI-800-3, And 3-5003 then try to restart your PC. To do so, follow the steps given below.

1. Go to the start button.
2. Click on the power icon that appears.
3. Now select “Restart” and press ok.
4. Your system will be restarted.

Change The Web Browser’s Settings

Try to clear the cache data from your web browser. Follow the steps given below for the purpose.

1. Open Google Chrome on your device.
2. Now, click on the three dots present on the top right corner of the screen.
3. From the list of menus that appears, select “Settings”.
4. On the settings page, navigate to “Clear Browsing Data” under “Privacy And Security”.
5. Now, click on “Clear data”.

Note: Try to change the Web Browser as well.

Directly Connect The Modem With The LAN Cable

If you are using the Wifi, then try to connect the ethernet cable directly to your system. The process of connecting the LAN cable to your device is simple. Stop the Netflix on your system and turn off the Wifi. Now, connect one end of the LAN cable to the modem and the other end to your system. This will make the flow of the internet constant.

Connect/Disconnect a VPN

If the Netflix Errors MSL 5003, UI-800-3, And 3-5003 persist then try using a VPN. Sometimes changing the IP address also helps in fixing the errors like these. But, if you are already using the VPN then try to turn the VPN off and check if the error still exists.

Amazon Fire Stick

If you are facing the Netflix Errors MSL 5003, UI-800-3, And 3-5003 on the Amazon Fire Stick then you must follow the troubleshooting ideas given below. 

Restart Your Device

The first fix for the Netflix Errors MSL 5003, UI-800-3, And 3-5003 on Amazon Fire Stick would be to restart your device. To do so follow the steps given below.

1. Press the home button on the Amazon Fire Stick remote.
2. Now, navigate to Settings and select “My Fire TV”, in recent updates “My Fire TV” has been replaced by options like “System” or “Device”. Select any one of these.
3. Now, navigate to “Restart” and click on it.
4. Your device will restart again.

Sign Out Of Netflix

If restarting doesn’t work then try to sign out of the Netflix Application and then again log back in. To do so follow the steps given below.

1. If you are on the screen that shows the error code, then select “More Details” or “More Info”.
2. This will take you out of the error screen. Now, on the next screen look for the options like “Sign Out”, “Reset” or “Deactivate”. Click on it.
3. You will be signed out of the Netflix account.
4. Now, log back in with the account and password to see if the Netflix Errors are removed.

Clear the Netflix App Data

If the Netflix Errors MSL 5003, UI-800-3, And 3-5003 persist then the next step would be to clear the Netflix App data. Sometimes the excessive cache on the system may also cause these errors. To clear the Netflix App data on Amazon Fire TV follow the steps given below.

1. Press the Home Button on your Amazon Fire Stick Tv remote.
2. Now, navigate to settings and click on it.
3. Inside the settings option, navigate to Applications and click on it.
4. On the next screen click on “Manage Installed Applications”.
5. In the Manage Installed Applications section, search for Netflix and click on it.
6. Now, scroll down to find “Clear Data”, click on it.
7. Now clear cache by clicking on “Clear cache”.
8. You have cleared the Netflix App data.

Note: After you have cleared the App data from the Amazon Fire TV. It is recommended to restart your television set.

Reinstall The Netflix Application

If the Netflix Errors MSL 5003, UI-800-3, And 3-5003 persist then the only option left is to reinstall the Netflix Application. To reinstall the Netflix Application you have to first Uninstall and then Install the Netflix Application on the device. Follow the steps given below for the procedure.

Uninstall 

1. Press the Home Button on your Amazon Fire Stick Tv remote.
2. Now, navigate to settings and click on it.
3. Inside the settings option, navigate to Applications and click on it.
4. On the next screen click on “Manage Installed Applications”.
5. In the Manage Installed Applications section, search for Netflix and click on it.
6. Now, scroll down to find “Uninstall”, click on it.

Install

1. Go to the Home screen of the amazon fire tv. In the search box type “Netflix” and hit the search button.
2. Now, click on “Download”.
3. This will download and install the Netflix application on your system.
4. Open the Netflix application to sign in.

To Conclude the guide on How To Fix Netflix Errors MSL 5003, UI-800-3, And 3-5003, we would say that if the troubleshooting methods given above do not fix these errors, then there is a problem from the Netflix server side. You cannot do anything about it. You have to wait until the problem is resolved from their end. 

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