Activation key problem

Hi Karel.
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Hi,
after entering the activation code, the following will be displayed: Activation key is invalid.
I purchased a 2-year subscription extension.
What should I do?
Thank you for your help.
Regards
Karel Majer
Hi Karel.
We're here to help.
I have sent an email requesting more details about the issue.
Please check your inbox and spam box as well and provide the details requested.