Repeat the above steps to remove all suspicious ass-ones Fix 3: Disable HTTPS Scanning on Antivirus SoftwareĪs we know, the antivirus software scans the sites’ certificates, which slows down the process of requesting files from the server and eventually causes the “Performing a TLS handshake” error.
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How to Fix TLS Handshake Failure in Firefox?īased on the above reasons for “Performing a TLS handshake”, the following solutions have been developed and you can try them one by one.