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YouTube Music on not working on Mac NaN:NaN Error [Fixed]

In this guide, we will show you various methods to fix the issue of YouTube Music not working on Mac, giving out the NaN:NaN error. This music streaming service from the Silicon Valley giants was the successor to Play Music and initially received quite a few backlashes. However, users soon got used to it and many have even purchased its Premium membership which offers a slew of goodies to the end-users, across smartphones, PC, TVs, and other consoles. However, as of now, it seems to be giving a tough time to the PCs from Apple.

YouTube Music on not working on Mac NaN Error

Many Mac users have voiced their concern that the YouTube Music is not working on Mac and instead is giving out the NaN:NaN error. NaN or Not-A-Number is a Javascript error that appears as an output in cases wherein a number cannot be parsed, when the result is not a real number, is in an indeterminate form, etc. With that said, if you are also getting bugged with this issue, then this guide will make you aware of a couple of workarounds that will help you resolve it. Follow along.

Fix YouTube Music on not working on Mac- NaN:NaN Error

YouTube Music on not working on Mac NaN Error

It is recommended that you try out each of the below-mentioned workarounds and then see which one spells out success for you. So with that in mind, let’s get started.

FIX 1: Delete Browser Data

If a lot of temporary data gets accrued over the due course of time, then it could conflict with the proper functioning of the browser. And this is what seems to be the case this time around as well. Many users have reported that they were able to rectify this issue [until the next browser reboot] after clearing the browser data on their Mac. So refer to the below instructions and give it a try [do note that this will sign you out from all the signed-in sites].

  1. Launch Safari and click on History in the top menu bar.
  2. After that, select Clear History from the drop-down menu.
  3. Then select All’ History’ and click on Clear History.YouTube Music on not working on Mac NaN Error
  4. This will remove the history, cookies, and cache of the browser.
  5. Now check if it fixes the YouTube Music not working on Mac and the NaN:NaN error.

FIX 2: Switch to a Different Browser

The majority of the issues are being reported in Safari and a few from Firefox. Therefore, you should skip both of them and give a shot at a Chromium browser, like Edge or Chrome.

FIX 3: Use YouTube Website

The issue isn’t present on the YouTube website and most of the songs that you listen to might already be present there. So for the time being consider using the YouTube website instead of its Music version.

These were the three different methods to fix the issue of YouTube Music not working on Mac, giving out the NaN:NaN error. As far as the official stance on this matter is concerned, the developers seem to be aware of this issue, but they haven’t given out any ETA for the rollout of a fix. As and when that happens, we will update this guide accordingly. In the meantime, the aforementioned workarounds are your best bet.


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  • Dear Sadique, had the same issue on firefox. I had two accounts, and simply changed accounts (twice, so back to the account with the issue), and this resolved the issue.