Activation problem with activate code.

Activation error: Server name cannot be resolved.

           Please connect your Internet and try to activate again (Kaspersky Activate need Internet connection to activate).

The entered activation code is incorrect.

          Your enter activate code is incorrect. Plese check your activate code and try again.

Activation code is not compatible with this application. 

          Your activation code is use for other Kaspersky program. Please check type of your Kaspersky program. Uninstall this program and install correct Kaspersky program (In this case, you will uninstall Kaspersky Internet Security and install Kaspersky Anti-Virus). 

Local time on your computer differs from the time on the activation server.

          Please set real Date and Time on your Windows system, then click OK.

License validity period has expired.

          Your activate code has expired. You will buy a new Kaspersky package.