Based on a response from an independent advisor named Harold Milan to a forum post from an affected user, this error typically pops up when the Microsoft Store can't validate a license. This could be ...

In my testing, if you do not want to pause your ad blocker, tapping the blue 'Learn more' button right underneath the error ...

To grab PC Manager, head to its dedicated product page or go directly to its Microsoft Store page. After installation, open the program. If you wish, you can set it to start up automatically each time ...