You may see the error code 9-905, 9-906, or 1-0 in the Panda antivirus software when you try to activate the software and it fails. Which means your facing the Panda antivirus activation error.
The error code 9-905 appears when you have entered the activation code incorrectly. It also occurs if you have entered the code of some other product. You can follow the steps that are given below to fix the error.
This Panda antivirus activation error 9-906 occurs when you exceed the maximum limit for installing the Panda antivirus software on your devices.
The error code 1-0 appears if the proxy option is activated in the Internet Explorer settings.