The ERR_SSL_VERSION_OR_CIPHER_MISMATCH error means Chrome cannot create a secure connection with the website. It happens when the site uses outdated security settings or your browser has issues.
Follow these methods to fix it.
1. Check the Website URL
a. Make sure the URL starts with “https://”.
b. Confirm the website address is correct.
2. Clear SSL State in Chrome
a. Open Chrome.
b. Click the three-dot menu.
c. Go to Settings.
d. Select Privacy and Security.
e. Click Security.
f. Scroll down and select Manage certificates.
g. Click Clear SSL State.
h. Restart Chrome.
3. Disable QUIC Protocol in Chrome
a. Type chrome://flags/ in the address bar.
b. Search for QUIC.
c. Set Experimental QUIC Protocol to Disabled.
d. Restart Chrome.
Note: Google can remove experimental flags any time. This is not a permanent solution.
4. Update Google Chrome
a. Click the three-dot menu.
b. Select Help.
c. Click About Google Chrome.
d. Chrome will check for updates automatically.
e. Update if available.
5. Check Antivirus or Firewall Settings
a. Open your antivirus or firewall software.
b. Look for HTTPS Scanning or SSL Scanning.
c. Turn it off temporarily.
d. Check if the error is gone.
6. Reset Chrome Settings
a. Open Chrome Settings.
b. Go to Reset and Clean Up.
c. Click Restore settings to their original defaults.
d. Confirm by clicking Reset Settings.
7. Contact the Website Owner
If the error only happens on one site, it may be their issue. Contact the website owner and let them know.
These steps should help you fix the ERR_SSL_VERSION_OR_CIPHER_MISMATCH error in Chrome. If the problem continues, try opening the site on a different browser or device to check if it’s a website issue.
Do you still have questions? Let me know in the comments section below.
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