- Your connection is not private chrome: On September 30, 2021, Let’s Encrypt’s DST Root CA X3 root certificate expired and had to be replaced with a new one. The newly applied certificate is ISRG Root X1. This has caused access issues for a wide range of devices and websites globally. Free SSL sites, legacy devices and iOS devices are most affected.
- Instruct:
-Download the new certificate error fix file to your computer and extract it
-Install according to the video tutorial
-After the installation is complete, Close all web browsers (Coc Coc, Chrome, FireFox,…) and restart to apply the newly installed certificate.

Link download ssl update Let’s Encrypt: Here
Video Your connection is not private chrome, ssl error certificate has expired.