![Messages "Certificate verification problem detected" and "Cannot guarantee authenticity of the domain to which encrypted connection is established" when trying to open a website Messages "Certificate verification problem detected" and "Cannot guarantee authenticity of the domain to which encrypted connection is established" when trying to open a website](https://img.kaspersky.com/kb/en-global/291978_427644_common_12489_03.png)
Messages "Certificate verification problem detected" and "Cannot guarantee authenticity of the domain to which encrypted connection is established" when trying to open a website
![Messages "Certificate verification problem detected" and "Cannot guarantee authenticity of the domain to which encrypted connection is established" when trying to open a website Messages "Certificate verification problem detected" and "Cannot guarantee authenticity of the domain to which encrypted connection is established" when trying to open a website](https://img.kaspersky.com/kb/en-global/291978_427658_common_12489_07_1.png)
Messages "Certificate verification problem detected" and "Cannot guarantee authenticity of the domain to which encrypted connection is established" when trying to open a website
![How to Fix Kasperskey Certificate Verification problem | Turn On/Off Kasperskey Safe Money [2020] - YouTube How to Fix Kasperskey Certificate Verification problem | Turn On/Off Kasperskey Safe Money [2020] - YouTube](https://i.ytimg.com/vi/pNDirlvOXGA/maxresdefault.jpg)
How to Fix Kasperskey Certificate Verification problem | Turn On/Off Kasperskey Safe Money [2020] - YouTube
![tls - Why does Kaspersky blocks a website saying untrusted root center - Information Security Stack Exchange tls - Why does Kaspersky blocks a website saying untrusted root center - Information Security Stack Exchange](https://i.stack.imgur.com/oWbTo.png)
tls - Why does Kaspersky blocks a website saying untrusted root center - Information Security Stack Exchange
![Messages "Certificate verification problem detected" and "Cannot guarantee authenticity of the domain to which encrypted connection is established" when trying to open a website Messages "Certificate verification problem detected" and "Cannot guarantee authenticity of the domain to which encrypted connection is established" when trying to open a website](https://img.kaspersky.com/kb/en-global/291978_427642_common_12489_02.png)
Messages "Certificate verification problem detected" and "Cannot guarantee authenticity of the domain to which encrypted connection is established" when trying to open a website
![Messages "Certificate verification problem detected" and "Cannot guarantee authenticity of the domain to which encrypted connection is established" when trying to open a website Messages "Certificate verification problem detected" and "Cannot guarantee authenticity of the domain to which encrypted connection is established" when trying to open a website](https://img.kaspersky.com/kb/en-global/291978_480058_common_12489_12.png)
Messages "Certificate verification problem detected" and "Cannot guarantee authenticity of the domain to which encrypted connection is established" when trying to open a website
![Messages "Certificate verification problem detected" and "Cannot guarantee authenticity of the domain to which encrypted connection is established" when trying to open a website Messages "Certificate verification problem detected" and "Cannot guarantee authenticity of the domain to which encrypted connection is established" when trying to open a website](https://img.kaspersky.com/kb/en-global/291978_535311_common_12489_13_added.png)
Messages "Certificate verification problem detected" and "Cannot guarantee authenticity of the domain to which encrypted connection is established" when trying to open a website
![Messages "Certificate verification problem detected" and "Cannot guarantee authenticity of the domain to which encrypted connection is established" when trying to open a website Messages "Certificate verification problem detected" and "Cannot guarantee authenticity of the domain to which encrypted connection is established" when trying to open a website](https://img.kaspersky.com/kb/en-global/291978_515270_common_12489_06.png)
Messages "Certificate verification problem detected" and "Cannot guarantee authenticity of the domain to which encrypted connection is established" when trying to open a website
![tls - Why does Kaspersky blocks a website saying untrusted root center - Information Security Stack Exchange tls - Why does Kaspersky blocks a website saying untrusted root center - Information Security Stack Exchange](https://i.stack.imgur.com/8MkcW.png)
tls - Why does Kaspersky blocks a website saying untrusted root center - Information Security Stack Exchange
![Invalid Security Certificate Error when using Kaspersky, AVAST, or other Security Apps – Postbox Support Invalid Security Certificate Error when using Kaspersky, AVAST, or other Security Apps – Postbox Support](https://support.postbox-inc.com/hc/article_attachments/1500003091421/manage_exclusions_done.png)
Invalid Security Certificate Error when using Kaspersky, AVAST, or other Security Apps – Postbox Support
![Invalid Security Certificate Error when using Kaspersky, AVAST, or other Security Apps – Postbox Support Invalid Security Certificate Error when using Kaspersky, AVAST, or other Security Apps – Postbox Support](https://support.postbox-inc.com/hc/article_attachments/360101918234/settings_additional_network.png)
Invalid Security Certificate Error when using Kaspersky, AVAST, or other Security Apps – Postbox Support
![Invalid Security Certificate Error when using Kaspersky, AVAST, or other Security Apps – Postbox Support Invalid Security Certificate Error when using Kaspersky, AVAST, or other Security Apps – Postbox Support](https://support.postbox-inc.com/hc/article_attachments/1500003091081/Postbox_settings_confirm_exception-1.png)