Kaspersky Internet Security 2012


Activation error. Untrusted server certificate

Back to "Activation errors"
2013 Dec 24 ID: 6216
If a Kaspersky Lab product installed on your computer displays the error "Activation error: Untrusted server certificate" or "Activation error: 0x00000025", then in order to resolve the problem, perform the following actions:

1. Check your Internet connection


2. Configure your Firewall


3. Contact Kaspersky Lab Technical Support

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