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How to fix Spotify ‘Error Code: 30’ (A Firewall may be blocking Spotify)

While streaming Spotify on a Desktop application, users are encountering the ‘A Firewall may be blocking Spotify’ error. There are many reasons a user might get this error. Majorly, the windows proxy firewall settings, VPN, and incorrect host file information are the main culprit for this issue. Hence, to fix the ‘Error code: 30’ on Spotify, this guide will help you.

Fix: Spotify ‘Error Code: 30’ (2023)

To fix Spotify error code 30, also known as the ‘Firewall may be blocking Spotify’ error, here are some methods:

1. Remove Spotify from Firewall Blacklist

On the ‘Start’ menu search box, type ‘Check firewall status’ without quotes and click on it.
Select the ‘Allow an app or feature through Windows Defender Firewall’ hyperlink from the left-hand panel. A new window will open with a list box.
Click on the ‘Change Settings’ button to enable editing.
Scroll down the list until you find the ‘Spotify.exe’ option and click on it.
Tick on the ‘Public’ and ‘Private’ checkboxes by clicking on them.
Exit the settings and run the app to see if the ‘A Firewall may be blocking Spotify’ error is fixed.

2. Disable Spotify Proxy Server

On the Spotify app, tap on your profile icon and select the settings option.
Scroll down to the ‘Proxy settings’ section.
Click on the ‘Proxy type’ drop-down and select the ‘No Proxy’ option from the menu.
Restart the Spotify app to see if the ‘Error Code: 30’ is fixed.

3. Disable Windows VPN and Proxy Settings

Type ‘Change manual proxy server settings’ without quotes on your Windows search box and click on it.
On the ‘Manual Proxy Setup’ section, turn off the ‘Use a Proxy Server’ switch.
Now click on the ‘VPN’ tab from the left-hand panel and turn off the VPN.
Restart the Spotify app to see if the ‘Error Code: 30’ is fixed.

4. Edit the Host File to fix ‘A Firewall may be blocking Spotify’

From the Start Menu, open the ‘Notepad’ app as Administrator. If prompted for UAC (User Account Control), click on the ‘Yes’ option.
Click on the ‘File’ menu and select the ‘Open’ option.
Copy and paste the following location on the ‘File name’ text box:

C:\Windows\System32\drivers\etc

Select the ‘All files’ option from the drop-down on the right side.
Click on the ‘hosts’ file to open it.
Now remove all the lines that have ‘Spotify’ mentioned.
Once you remove all the lines that contain Spotify, click on the ‘File’ menu and select the ‘Save’ option.
Exit Notepad and restart your desktop.
Open the Spotify app to see if the ‘Error Code: 30’ is fixed.