net::ERR_SSL_PROTOCOL_ERROR: Causes and Solutions

The error 'net::ERR_SSL_PROTOCOL_ERROR' typically occurs when there is a problem with the SSL/TLS protocol during an HTTPS connection. This error can be caused by several factors, including:

1. Outdated or incompatible SSL/TLS protocol version: The website may be using an outdated or unsupported SSL/TLS protocol version, and your browser is unable to establish a secure connection. In this case, updating your browser to the latest version might resolve the issue.

2. Invalid SSL certificate: The SSL certificate presented by the website may be invalid, expired, or not trusted by your browser. This can happen if the website's SSL certificate is self-signed or issued by an untrusted certificate authority. Contacting the website owner or administrator to resolve the certificate issue is recommended.

3. Firewall or antivirus interference: Sometimes, certain firewall or antivirus settings can interfere with SSL/TLS connections and cause this error. Temporarily disabling any firewall or antivirus software and then trying to access the website again might help identify the cause.

4. Network issues: Problems with your internet connection, such as a weak or unstable network connection, can also lead to this error. Restarting your modem or router, or trying to access the website from a different network, might help resolve the issue.

5. Proxy server issues: If you are using a proxy server to connect to the internet, it could be causing the SSL protocol error. Try disabling the proxy server settings in your browser or configuring them correctly to see if that resolves the problem.

If none of these solutions work, it is possible that the website itself is experiencing SSL/TLS issues. In such cases, you can try accessing the website at a later time or contact the website administrator for assistance.