How to Troubleshoot ‘File Picker UI Host is not Responding’ on Windows 10

Today we want to discuss a common problem that occurs when working with the Mail application. When you try to attach a file to an email, the file picker window may open but freezes, and the only way to close it is to close the application itself.

We know how annoying this can be. That’s why we have developed solutions that will help you solve this ‘not responding‘ problem in a few simple steps.

What causes “File Picker UI Host not responding”?

In most cases, this problem occurs when problematic applications are outdated. This can cause problematic apps to no longer be compatible with the operating system. Install the latest Windows update and update your programs and applications to the latest versions to resolve the problem. read more