FULL FIX: NBA 2K error codes 0f777c90, a21468b6 and 4b538e50

Madalina Dinita
by Madalina Dinita
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  • NBA 2K17/18/19 is a title every basketball fan should play that simulates the experience of playing in the National Basketball Association and includes several game modes. 
  • These three errors most likely occur because you haven't downloaded the latest game updates. When the download is complete, you’ll be asked to return to the game’s main menu so the update can go into effect.
  • We love this game! If you brought that awesome universe to your play screen, read more about it in our NBA 2K17 section
  • Especially in these hard times, gaming can take our minds from anything else. Check out our huge gaming hub for more news, tips, and guides about the greatest titles.

NBA 2K17/18/19 is a title every basketball fan should play that simulates the experience of playing in the National Basketball Association and includes several game modes.

MyCareer lets you create your own player and guide him through his career.

The MyGM and MyLeague modes allow you to take full control over an entire basketball club, and MyTeam lets you create your own team to challenge other players‘ teams.

Unfortunately, like many other titles, it appears that there are three common errors that affect NBA 2K17’s MyCareer mode and prevent gamers from actually playing.

How do I fix errors 0f777c90, a21468b6 and 4b538e50 on NBA 2K17/2K18/2K19?

Solution 1 – Update NBA 2K17

These three errors most likely occur because you haven’t downloaded the latest game updates.

For some players, this may take longer depending on the size of the download and the speed of your internet connection.

When the download is complete, you’ll be asked to return to the game’s main menu so the update can go into effect.

You can play a series of games in Play Now mode to trigger a faster download process.

These three errors most likely occur because you haven’t downloaded the latest game updates.

For some players, this may take longer depending on the size of the download and the speed of your internet connection.

When the download is complete, you’ll be asked to return to the game’s main menu so the update can go into effect.

You can play a series of games in Play Now mode to trigger a faster download process.

If you’re playing on an Xbox One, you simply need to restart your console and this should fix the problem.

If you use an NBA 2K17 disc, first remove the disc, wait for a couple of minutes and then go back online.

Solution 2 – Select the save file

According to other NBA 2K17 players who contacted 2K’s Support, you can fix errors 0f777c90 and a21468b6 by simply tapping the triangle on MyCareer to select the save file.

If you’ve encountered other NBA 2K17 errors that we didn’t list in this article, try using the same troubleshooting methods listed above.

It appears that the majority of NBA 2K17 errors are triggered by the fact that you’re not running the latest game updates.


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Solution 3 – Clean boot your computer

When playing games, it’s important to make sure that your computer’s resources are directed towards running the respective games.

You can disable unnecessary apps, programs, and processes by performing a clean boot. Here are the steps to follow:

  1. Go to Start > type msconfig > hit Enter
  2. Go to System Configuration > click on the Services tab >  check the Hide all Microsoft services check box > click Disable all.hide all microsoft services
  3. Go to the Startup tab > Open Task Manager.
  4. Select each startup item > click Disable > close Task Manager > restart the computer.disable startup programs

And if you’re thinking about upgrading to NBA 2K18, maybe you should think twice since the game to has quite a plethora of issues.

However, we have an extensive guide on how you can fix most of them. You can use this guide for NBA 2K19 as well.

FAQ: Read more about NBA 2K error codes

  • What is 2k error code 4b538e50?
If you start playing NBA 2K20 and you get a message with the error codes EFEAB30C or 4B538E50, usually, it’s because you don’t have the latest data downloaded.
  • How do I fix error code 4b538e50?
To fix the error 4b538e50, first, update the game. If the problem persists, read our expert guide to fix the error.
  • What does error code 2fd7b735 mean?
The error code 2FD7B735 means that you could not connect to the server. Check your internet connection. If you have problems with it, just read our guide on how to fix it.
Editor’s Note: This post was originally published in February 2019 and has been since revamped and updated in April 2020 for freshness, accuracy, and comprehensiveness.