You need to uninstall and the reinstall the software. DO NOT EVER POST YOUR SOFTWARE KEY'S AS NOW SOMEONE CAN HIJACK YOUR SOFTWARE. As soon as you uninstall the software, reinstall the software and enter the reg key. The rest is done through your internet connection to the F-Secure Registration Server.
Reinstalling F-Secure Internet Security
Summary This article describes how you can uninstall and reinstall the F-Secure Internet Security product.
Description Sometimes you can solve a persisting problem in the product by uninstalling and reinstalling the F-Secure product.
Uninstalling and reinstalling the product Before reinstalling F-Secure Internet Security, you must first uninstall the product. For uninstallation instructions of earlier versions of F-Secure Internet Security and F-Secure Anti-Virus, see article 2109 - Uninstalling F-Secure Internet Security/Anti-Virus .
To uninstall the latest version of F-Secure Internet Security, do the following:
To reinstall the product, do one of the following:
Note: You can reinstall your F-Secure product by using the existing subscription key. Make sure that you are connected to the Internet before you enter the subscription key. You do not need to register again after reinstalling your F-Secure product.
I am afraid that you are unable to activate your Windows 10 key without a product key. You can just order one from the online site http://www.MicrosoftStoreinc.com cooperated with Microsoft. All the product keys are legitimate and official. Then just activate your Windows 10 key with the purchased product key. The activation process is simple and easy to operate.
You will have to contact f-secure and have them give you a new security code. Their servers are the only ones that will be able to generate the necessary response to your codes.
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