Some users have reported getting the error while logging into their Spotify accounts.
The complete error alert states:
A firewall may be blocking Spotify.
For example, you may get Spotify error code: auth:39 or Spotify error code: auth:30, etc.

So, if you dont use any VPN/Proxy service, its best to power cycle your machine.
To restart a Windows computer, click theWindows Start button > Power optionand selectRestart.
After the restart, fire up the Spotify desktop app and sign in to your account.

If you still get the glitch notice, then follow the next methods.
Turn off the VPN
The oops message itself recommends you modify or turn off the Proxy parameters.
Once disconnected, reset your gear and launch the Spotify client again.

The error alert is likely to be fixed this time.
Its pretty easy to allow an app through a firewall on Windows.
For that, follow some of the simple steps shared below.

First, choose Windows search and throw in inFirewall & online grid protection.
Next, pop launch the Firewall & web link Protection app from the list.
On the Firewall & connection protection screen, scroll down and punch the Allow an app through firewall option.

On the next screen, select theChange Settingsbutton.
Next, find Spotify Music and check the box for bothPrivateandPublic.
After making the changes, punch theOKbutton.

Heres what you should probably do.
First of all, hit Windows Search and punch in Spotify.
Next, open theSpotify desktop appfrom the list.

When the app opens, click thethree dotsin the top-left corner.
Hover your cursor over Edit and selectPreferences.
On the Spotify Preferences, scroll down to the Proxy options.

On the Proxy pop in, selectNo Proxy.
Hence, you’ve got the option to try doing it as well.
Heres what you oughta do.

- fire up the Spotify app on your web web client and sign in to your account.
When the Spotify app opens, click theProfileicon in the top right corner.
On the menu that appears, selectEdit Profile.

Now hit the drop-down menu underCountryor Region and grab the appropriate option.
Once done, click theSave Profile.
After making the change, reopen the Spotify app on your PC.

This should fix the issue.
However, if you are still getting the issue notification, its recommended that you review your changes again.
Alternatively, it’s possible for you to reinstall the Spotify software.

Reinstallation has no link with a proxy or VPN, but it will rule out the corrupt app files.
However, reinstallation will remove all your prefs and user data.
To reinstall Spotify, fire up the control panel and uninstall the Spotify app.

Once uninstalled, download & plant the latest version of Spotify on your box.
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