If you cannot solve the issue based on the error message, contact F-Secure support. Note: If the manual installation fails, check the error message. The installation starts and is completed in the background. Find the executable file in your Downloads folder, right-click it and select Run as administrator. Scroll down to section Evergreen Bootstrapper, select Download > Accept and Download. To install or update the WebView2 Runtime: Go to page. We are working hard to bring the new Chromium based Edge WebView2 to the Office add-ins platform, which we expect will support Service Workers. Please see here for the latest supported features on the Edge WebView control. If, however, the WebView2 Runtime initialization fails, the user gets an error message containing a link to information on how to install and update the WebView2 Runtime manually. Please note that Service Workers are not supported on Microsoft Edge WebView for Office add-ins. Normally, during the installation of the F-Secure products, the network installer automatically tries to install the WebView2 Runtime if it is missing from the environment. F-Secure products, such as F-Secure TOTAL (as of version 18.2), require the WebView2 Runtime to be able to show web page content directly inside the product. Installing Microsoft Edge WebView2 Runtime manually The Microsoft Edge WebView2 Runtime is required when running web content directly inside applications on Windows.
Installing Microsoft Edge WebView2 Runtime manually - F-Secure Community