Windows 10: Windows 11 Single Page UWP application : Unhandled exception in PickSingleFileAsync

I created a UWP application in Windows 11 with filepicker. I am getting unhandled exception on methodPickSingleFileAsyn.I am following this documentation to create the filepicker:FileOpenPicker Class Windows.Storage.Pickers - Windows UWP applications Microsoft LearnThe following error is from event manager:Faulting application name: App1.exe, version: 1.0.0.0, time stamp: 0x62a3c35eFaulting module name: ntdll.dll, version: 10.0.22621.900, time stamp: 0xa97a9ed6Exception code: 0xc0000409Fault offset: 0x000000000008eadfI have attached the sample application, and this works in my windows 10

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Getting a Microsoft .Net Framework Unhandled Exception on Application Windows 10

Hi Steven,

It is possible that the error Microsoft .Net Framework Unhandled Exception on Application is can be due to virus or malware. To better assist you, kindly answer the following questions:

• Have you made any recent changes before this issue occur?
• What troubleshooting steps have you done so far?

Meanwhile, we suggest that you follow the steps in this article:
Start your PC in safe mode in Windows 10 and you may also perform a clean boot to remove software conflicts by clicking on this

link.

Keep us posted if you need additional help.

 

Getting a Microsoft .Net Framework Unhandled Exception on Application Windows 10

I've not made any recent changes to my computer besides downloading a few application which may have contained malware but have not scanned.

I have not done any troubleshooting steps when the unhandled message popped up. Should I use my Norton Anti virus to perform a full system scan and then perform a clean boot?

 

unhandled exception has occurred in your application if you click continue the application will.......

Hello,

An unhandled exceptions occur in Windows if there are system components in your system that are damaged or corrupted. For us to isolate the issue in getting an unhandled exception error, kindly respond to the questions below:

• Have you made any significant changes to your device prior to the issue? If yes, what are they?
• Are there other accounts in your device? If there are, does the error come up when you log in to them?
• Are there third-party applications installed on your device?

For isolation purposes, we suggest that you start your PC in Safe Mode and see if the error appears when you log
in. This is for us to see if the error is caused by a third-party application or by a system component.

We look forward to an update from you.