ERR_CERT_COMMON_NAME_INVALID is a common error encountered during the website loading process. At times it could be due to the certificate error on the Website. There might be many reasons behind it like corrupted cache, permission to play protected contents is disabled, safe browsing protection level, DNS address, etc. Lets us see how we can fix this error below.
Fix 1 – Enhance protection for safe browsing
Step 1: Click on three dots on the top right corner of the browser and select settings from the drop-down menu.
Step 2: From the left side menu click on Privacy and security.
Step 3: Click on Security in the Privacy and Security section.
Step 4: In the Safe Browsing section, select Enhanced protection.
Fix 2 – Play protected content
Step 1: Click on three dots on the top right corner of the browser and select settings from the drop-down menu.
Step 2: From the left side menu click on Privacy and security.
Step 3: Click on Site Settings in the Privacy and Security section.
Step 4: In Site Settings go to the content section and click on Additional content settings.
Step 5: Click on protected content IDs in Additional content settings.
Step 6: In Protected Content ID settings make sure Sites can play protected content and Sites can use identifiers to play protected content are selected.
Fix 3 – Clear browsing data
Step 1: Press Ctrl+Shoft+Delete keys in the browser.
Step 2: In the Clear Browsing Data window, click on the Advanced tab, Select Time range to All time, and select all checkboxes. Then click on Clear data to clear the cache.
Fix 4 – Reset browser settings
Step 1: Open Browser and then click on the icon which shows the three dots option. this leads to the settings option from the dropdown menu.
Step 2: Click on Advanced in the left side menu.
Step 3: Select Reset and cleanup in advanced settings.
Step 4: Select Restore settings to their original defaults in the Reset and cleanup section.
Step 5: Confirmation popup will appear, click on Reset settings to proceed.
Fix 5 – Disable automatic timezone settings
Step 1: Press Win + R keys, type ms-settings:dateandtime and click OK.
Step 2: Disable the settings Set time automatically, Set time zone automatically, and Adjust for daylight saving time automatically. You can select your timezone manually and set it.
Fix 6 – Modify DNS address
Step 1: Press Win + R keys, type ms-settings:network and click OK.
Step 2: Click on the Change adapter options in Change your network settings section.
Step 3: Select the connection you are connected to, right-click on it, and select Properties.
Step 4: In the Properties window, select the Networking tab and select Internet protocol version 4(TCP/IPv4), and click on Properties.
Step 5: In the Internet protocol version 4(TCP/IPv4) window, select Use the following DNS server addresses. Enter 8.8.8.8 for Preferred DN Server address and 8.8.4.4 for Alternate DNS server address. Click OK.
Fix 7 – Restart and check whether the issue is resolved
Restart your system after performing the above steps and verify whether the issue is resolved.
That’s all!! Hope this article was informative and solved the issue. Please comment and let us know. Thank you for reading.