Activation of app , App failed with error: Unknown HResult Error code: 0x800106d9 See the Microsoft-Windows-TWinUI/Operational log for additional information.

Activation of app Microsoft.WindowsCalculator_8wekyb3d8bbwe!App failed with error: Unknown HResult Error code: 0x800106d9 See the Microsoft-Windows-TWinUI/Operational log for additional information.

Sometimes you will received above error when you open "calc" from run command.

You will receive similar error for other application too.


Activation of app ,  [Application Name] App failed with error: Unknown HResult Error code: 0x800106d9 See the Microsoft-Windows-TWinUI/Operational log for additional information.

Do below setting for windows 10 to resolve this error.

Go to C:\Program Files
You will see Windows App Folder here. (Please not Hidden Files are enable in your computer)
Apply "All APPLICATION PACKAGES" and give rights to this.





Add "All APPLICATION PACKAGES" in security and give rights to it.

Don't know exact reason but for some reason " All APPLICATION PACKAGES" rights remove from windows app folder.

It should work.

Enjoy!!!!

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