Written by Admin on 2025-05-06

Download Failed: Curl Error 6 Couldn't Resolve Host Downloads.wordpress.org

Have you ever encountered the error message "Download failed: curl error 6 couldn't resolve host downloads.wordpress.org" while trying to update your WordPress site, install a plugin or theme, or perform any other activity that involves downloading files from the internet? If yes, don't worry, you are not alone. In this article, we will explore what this error means, its possible causes, and how to resolve it.

What is Curl Error 6?

Curl is a command-line tool and library for transferring data from or to a server using various protocols, including HTTP, FTP, IMAP, SMTP, and more. Curl is widely used in Unix-based operating systems, as well as in Windows and macOS.

Curl Error 6 is a common issue that occurs when Curl fails to resolve the host name of a server it is connecting to. In other words, Curl cannot find the IP address of the server from its domain name, resulting in a failed download or upload.

What Causes Curl Error 6?

Several factors can cause Curl Error 6, including:

• DNS resolution issues: This is the most common cause of Curl Error 6. If your computer or server is unable to resolve the domain name of the server you are connecting to, Curl will fail with Error 6.

• Incorrect server settings: If the server you are connecting to has incorrect settings, such as a mismatched domain name, outdated SSL certificate, or blocked ports, Curl may fail to connect to it.

• Firewall or security settings: Sometimes, firewalls or security software installed on your computer or server can block outgoing connections from Curl, resulting in Error 6.

How to Fix Curl Error 6

Here are some solutions you can try to resolve Curl Error 6:

• Check your DNS settings: Ensure that your computer or server has the correct DNS settings. You can try using a public DNS server, such as Google DNS (8.8.8.8), to see if that resolves the issue.

• Check your server settings: If you are connecting to a remote server, make sure that its settings, including the domain name, SSL certificate, and firewall settings, are correct. You can contact your server administrator or hosting provider for assistance.

• Check your firewall or security settings: Verify that your firewall or security software is not blocking Curl's outgoing connections. You can temporarily disable the firewall or security software to see if that resolves the issue.

• Use a different protocol: If you are using HTTP to download files, you can try using FTP instead. Similarly, if FTP is not working, you can try using HTTP or HTTPS. Sometimes changing the protocol can resolve Curl Error 6.

Conclusion

Download failed: curl error 6 couldn't resolve host downloads.wordpress.org is a frustrating issue that can cause a lot of inconvenience if you are trying to update or install plugins or themes on your WordPress site. However, by understanding the possible causes and implementing the solutions we have discussed, you can fix the error and get back to managing your site smoothly.