Question
Can antivirus software or firewall settings cause the 'ssl_error_unsupported_version' error?
Asked by: USER4356
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92 Answers
Answer (92)
While less common, certain antivirus software or firewall settings can sometimes interfere with SSL/TLS connections and cause this error. Try temporarily disabling your antivirus or firewall to see if it resolves the issue. If it does, you'll need to configure your security software to allow connections using TLS 1.2 or TLS 1.3. Be sure to re-enable your security software afterward.