SettingSyncHost is the name of the service that generates the error message. When trying to synchronize your theme with your Microsoft account, the Syncing Themes option, which is activated by default, fails. One possibility is that you downloaded a third-party theme from the internet that contains problematic components or links to missing ones. Another possibility is that you deleted some theme files or added your own, incompatible additions to the theme. We mentioned below are the ways to Fix Windows Can’t Find One of the Files in This Theme Error.
Ways to Fix Windows Can’t Find One of the Files in This Theme Error
Use a Different Theme
Delete the Theme and Install It Again
Prevent Windows From Syncing Theme Settings
Disable Custom Screensaver
Final Words
That’s it with our article on how to Fix Windows Can’t Find One of the Files in This Theme Error. Windows cannot find one of the files in this theme error prompt is reportedly received at random by some Windows users, with no obvious action that may have precipitated this situation. The majority of impacted users claim that prior to the appearance of this error message, they had never attempted to save or modify a theme. Whatever you choose to click at the prompt apparently has no effect because the error will recur after a few days. For further information regarding this error, you can also visit official Microsoft support website.
