Windows 10: App not being downloaded because of a fail on settings

Hello, I am trying to install an app and the Windows shows that I can't install an app that's not verified by Microsoft. I've been trying to change the setting as the step-by-step explains in Can't install an app on Windows 11 due to microsoft not allowing - Microsoft Community, but even following I do not have the option to change the setting. Could someone help me with this issue?

:)

 

After downloading apps-download disappear (It did not show up the setup apps).

Hi,

To assist you better, please answer the below:

1. Which browser are you using to download the apps?

2. Did you see the download progress is completed successfully?

3. Where exactly(location) you are looking for the downloaded app?

4. Is this issue specific with Java and Flash Player?

5. Did you try downloading some other app and check if the same issue occurs?

I suggest you to download all the windows updates and check if it helps.

Follow the steps below:

• On the search bar type Settings.
• Click on Update and Security.
• Click on Check for Updates.
• Read and accept the license terms, and then tap or click Finish if the update requires it.
  

Also, I suggest you to set the download location for Internet Explorer and download apps using Explorer and check.

Follow the steps below:

• Open Internet Explorer.
• Access the settings menu by clicking on the settings icon
  (it is a round gear shape near the top right of the Internet Explorer browser).
  
• Choose "View downloads" from the menu. This will bring up the Downloads window.
  
• 
  Click on "Options."
  
• 
  Press the Browse button and browse to the folder where you want to download to be saved.
  
• 
  Confirm with the OK button to assign the new download location. The downloads you perform from hereon will be saved in the folder that you have chosen.
  

If you are using Edge browser for downloading apps, please follow the steps below to find the downloaded app if it is completed successfully.

• Open the Microsoft Edge app.
• Click on the Hub button on the right top corner of the screen (next to save favorites).
• Click on Downloads button in the Hub, and click on the Open folder link.

Revert to us with the requested information and the results of the steps provided. We will be glad to assist you further.

Thank you.

 

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!

 

Desktop HTML shortcuts being listed in Apps under settings?

A friends Win 10 installation is listing Desktop HTML shortcuts under Apps in the Setting App listing. Seems to have happened after he downloaded and installed a program in support of some two way radio equipment. System Restore does not correct the problem. Suggestions appreciated.