Many users might have encountered a “Your connection is not private” or similar error message from their web browser when attempting to visit a website that uses a Let’s Encrypt SSL certificate.
Make sure the ISRG Root X1 certificate and the Let’s Encrypt Intermediate Signed by ISRG Root X1 are installed in your Windows.
Here it is ISRG Root X1 link: [ Ссылка ]
then you should restart your PC after imported.

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