What do I do if my F-Secure security product does not work after upgrading to Windows 10?

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{content:url("data:image/svg+xml;utf8,<svg version='1.1' xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' width='26px' height='18px' xml:space='preserve'><g><path fill='none' stroke='%23010101' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' stroke-miterlimit='10' d='M13.014,14'/></g><g><path fill='%23010101' d='M13,16c-0.256,0-0.512-0.098-0.707-0.293l-3-3c-0.391-0.391-0.391-1.023,0-1.414s1.023-0.391,1.414,0L13,13.586l2.293-2.293c0.391-0.391,1.023-0.391,1.414,0s0.391,1.023,0,1.414l-3,3C13.512,15.902,13.256,16,13,16z'/> </g> </svg>")!important;float: right;} #helpForumsLink:hover .header-bottom-link.smdropdown::before, #FaqsLink:hover .header-bottom-link.smdropdown::before, .header-bottom-link.smdropdown:hover::before {content:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='26px' height='18px' fill='%23010101'><path 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What do I do if my F-Secure security product does not work after upgrading to Windows 10? - F-Secure Community

Once you have completed your Windows 10 upgrade, you may experience some issues with your F-Secure security product.

Your F-Secure security product does not start up.
On your computer, you can't find the F-Secure security product icon in the system tray at the bottom of the screen.
Your F-Secure security product does not show up in the list of installed apps and features in Settings > Systems > Apps & features.

You will see the following error message:

The setup cannot continue, because some important files are missing.

If this happens, it means that the Windows 10 upgrade has unfortunately removed some of the F-Secure security software components, and the product fails to start up as it should.

To get your F-Secure security product working normally again, the F-Secure security product needs to be removed from your computer, and the product reinstalled. To do this:

Download and run the Uninstallation Tool for Windows. You can download the tool here. The instructions for the Uninstallation Tool for Windows are here.
Reinstall the F-Secure security product on your computer. You can download the product from the F-Secure website or from your My F-Secure account, depending on your subscription.