Fix Google Chrome error ERR_CERT_SYMANTEC_LEGACY

The ERR_CERT_SYMANTEC_LEGACY error can arise when users try to open website pages in Google Chrome. Instead of the page opening, a tab that includes the ERR_CERT_SYMANTEC_LEGACY error message will open.

In many cases, that issue is due to users trying to open webpages with Symantec certificates that more recent Chrome versions no longer support. However, it can also be due to a few other factors that some users might be able to fix with the resolutions below.


How can I fix the Chrome ERR_CERT_SYMANTEC_LEGACY error?

1. Check Windows 10’s date and time settings

  1. The ERR_CERT_SYMANTEC_LEGACY error can arise when Windows 10’s system clock isn’t set to the right time or date. Double-click the system tray clock to expand it as in the snapshot directly below.
    The calendar clock chrome error net err cert symantec legacy
  2. Does the date and time there look a little off? If so, press the Windows key + S keyboard shortcut.
  3. Enter the keyword date in the search utility.
  4. Select Date & time settings to open Settings as shown directly below.Date & time options chrome error net err cert symantec legacy
  5. Turn on the Set the time automatically option if that setting is off.
  6. If Set the time automatically is selected, turn off that setting.
  7. Click Change to open the window shown directly below.
    Change the date and time window chrome error net err cert symantec legacy
  8. Enter the right time and date in the Change date and time window.
  9. Click the Change button.

2. Turn off Chrome extensions

  1. Try turning off all Chrome extensions for your browser. Click the Customize and Control Google Chrome button.
  2. Select More tools and Extensions to open the tab in the snapshot directly below.The Extensions tab chrome error net err cert symantec legacy
  3. Turn the toggle switch for each browser extension off.

3. Turn off antivirus utilities

The ERR_CERT_SYMANTEC_LEGACY error might sometimes be due to third-party antivirus utilities. Try temporarily turning off third-party antivirus software. You can usually do that by right-clicking an antivirus utility’s system tray icon and selecting a disable option off some description. Thereafter, try opening the same website page in Chrome with the antivirus utility disabled.

Avast shield control options chrome error net err cert symantec legacy


4. Open the page in another browser

If none of those resolutions fix the ERR_CERT_SYMANTEC_LEGACY error, it is most likely that the page the error arises for has antiquated Symantec certificates Chrome (and Firefox) no longer supports. In which case, there isn’t that much you can do to resolve the issue in Chrome.

However, the same page will probably still open fine in Edge, Opera, Internet Explorer, and Vivaldi. So, try opening the webpage in one of those alternative browsers.

Vivaldi browser chrome error net err cert symantec legacy


5. Contact the website’s webmaster

If you can open the same webpage ok in alternative browser, get in touch with the website’s webmaster. The website might include a contact link somewhere with which you can send email to webmaster.

Tell the webmaster that you can’t open his website’s pages with Google Chrome due to an ERR_CERT_SYMANTEC_LEGACY error. Then the webmaster will probably realize that he needs to replace the certificate on the site with a new one to fix the issue.


So, give some of the above resolutions for the ERR_CERT_SYMANTEC_LEGACY error a shot. If they don’t fix the issue for Chrome, send an email to the website‘s webmaster.

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