How to Resolve “File Picker UI Host is Not Responding” in Windows PC

Updated March 2024: Stop these error messages and fix common problems with this tool. Get it now at this link

  1. Download and install the software.
  2. It will scan your computer for problems.
  3. The tool will then fix the issues that were found.

We will discuss a common problem that occurs when you use the Mail app. When you try to attach a file to an email, sometimes the file picker window opens, but it freezes and can only be closed by closing the app itself.

We know how annoying this can be. That’s why we have developed solutions that will help you solve this 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In most cases, this problem occurs when problematic applications are outdated.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 and the problem may be solved.

How to solve the ‘File Picker UI Host is not responding’ problem?



Updated: March 2024

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  • Step 1 : Install the PC Repair and Optimizer Tool. (Windows 10, 8, 7, XP, Vista).
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Emerging issue 70008 - Perform an SFC and DISM scan - Step 2

Perform an SFC scan

  1. Click the Windows button and type cmd in the search bar.
  2. Then right-click on cmd.exe and select Run as administrator.
  3. A flashing cursor will appear at the command prompt, type: SFC /scannow, and press Enter.
  4. The System File Checker will run and check the integrity of system files.

Updating Windows and applications

  1. Click the Window button and type Update Window, then click Check for Updates.
  2. A new window opens. Click Check for Updates.
  3. Download the update, install it, and reboot your system.

Change your system settings

  1. Click on Windows and type Advanced System Settings.
  2. Under the “New Settings” tab, look for “Show advanced system settings.”
  3. In the new window, go to “Advanced” and click on the setting under “Performance”.
  4. Then open Advanced System Settings.
  5. Now select the Best Performance option and click the Advanced tab.
  6. Then select the Programs button in the Configure for Best Performance section and click on the Edit button in the Virtual Memory section.
  7. Now turn on the Automatically manage swap file size for all drives option and apply the changes.
  8. Then click the Apply button and restart your computer to make sure that the File Picker issue is resolved.



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