Windows 10: Fix Fail Fast Exception error on Windows 11/10

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Some Windows users are reporting the issue whereby when they boot their Windows 11 or Windows 10 computer, the system boots to the desktop without any icons or thumbnails, and displays the error prompt with the message Explorer.exe – Fail Fast Exception. In addition, the taskbar is unresponsive. This post provides the most suitable solutions […]

This article Fix Fail Fast Exception error on Windows 11/10 first appeared on TheWindowsClub.com.

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KB4025339 Fails Install 0x80070564

Thanks
I am trying Eagle 51's suggestions now. Windows Update troubleshooter found a bunch of errors and fixed all but one.The update is trying to download KB4025339 again. I'll see what happens. At step one troubleshooter finishes with one error unresolved "Potential Windows Update Database Error Detected-Not Fixed". Windows update stalled at 0%.

At step 2 same troubleshooter error. The KB finished a new download failed to install.
Did step 3 KB has downloaded but fails to install.

If Eagle's suggestion doesn't work I'll try EdTittel's suggestion

Tried bothe Eagle & Ed 's suggestions - do not work. Anyone else?

I have noticed that the latest update for my nvidia drivers has failed to update. Wondering about that!

 

Fail Fast Exception

Hi,

Just had latest Outlook installed 2020 and now I get a Fail Fast Exception Error.

See Attached

 

Windows 10 Upgrade Error 11/11/2015

Hi Marianne,

Thank you for posting in Microsoft Community, we appreciate your interest in Windows 10.

As you are facing issues with installing the updates, do let us know the following to assist you better:

• Were you able to see any error notification along with the error code?
• What is the make and model of your device?
• Are you able to boot in to the desktop?

This issue might be due to the anti-virus software or corrupted Windows Update Components.

I suggest you to hard reboot the computer and perform the below.

Step 1: Try to eject all the external devices connected to your computer except mouse and keyboard, reboot the computer and check if the issue persists.

Step 2: I suggest you to uninstall the anti-virus software installed on your device and check for the updates.

If the issue still persists,

Step 3: I suggest you to run the Windows Update troubleshooter and check.

Resolves problems that prevents you from updating windows.

Steps:

• Press Windows key and type
  Troubleshooting.
• Click on Troubleshooting and click on
  View all in the left pane.
• Select Windows Update to run the Windows Update Troubleshooter
  and follow the on-screen instructions.

For further reference: How to: Troubleshoot common Setup and Stop Errors during Windows 10
Installation

Hope it helps. Kindly update the status of this issue, we will be happy to help you further.