How to Fix: FileZilla reporting "GnuTLS error -48: Key usage violation in certificate has been detected"

FileZilla is reporting a 'GnuTLS error -48: Key usage violation in certificate has been detected' when connecting to your server. This issue affects users who have upgraded to Filezilla v3.24.0 for Windows and are experiencing problems with FTP connections.

This problem can be frustrating, especially if you rely on FileZilla for file transfers. However, don't worry, we're here to help you troubleshoot and potentially resolve the issue.

🔍 Why This Happens

• The first main reason why this error happens is due to a mismatch between the FTP server's certificate and the client's expectations. Specifically, the server's certificate may not be configured correctly for TLS encryption, leading to a key usage violation error.
• An alternative reason could be related to the FTP server's configuration or the Windows 10 Pro operating system updates. It's possible that changes made during the update process affected the way FileZilla interacts with the server.

🚀 How to Resolve This Issue

✨ Wrapping Up

To resolve the 'GnuTLS error -48: Key usage violation in certificate has been detected' issue with Filezilla v3.24.0 for Windows, try verifying and configuring the FTP server's certificate or checking and updating Windows 10 Pro operating system updates. If neither of these methods resolves the issue, you may want to consider reaching out to your server administrator or IT department for further assistance.