Hi,
Welcome to Microsoft Community and we appreciate your interest in Windows 10.
I will definitely assist you.
It would be grateful if you could provide us few questions answer to understand the issue better and to provide you better assistance.
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What is the make and model of the computer?
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What exactly happen when you press on the Windows logo key on the keyboard?
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A screenshot of the issue would be wonderful.
Please visit: How to include a screenshot in your post
http://answers.microsoft.com/en-us/windows/wiki/windows_other-windows_programs/how-to-include-a-screenshot-in-your-post/2594b08e-32a3-476a-85a6-b021181be7e4
Lets’ try simple steps and check if this helps in resolving the issue. I suggest you to go through the powershell command and try the below steps.
- Open the Task manager. Here’s a tip: Press CTRL+Shift+ESC.
- Click on File tab and select Run New Task.
- Make sure you have a check mark beside Create this task with administrative privileges.
- Type Powershell.
- Type the following in the Powershell prompt:
$manifest = (Get-AppxPackage Microsoft.WindowsStore).InstallLocation + '\AppxManifest.xml' ; Add-AppxPackage -DisableDevelopmentMode -Register $manifest
- Close the Powershell window
- Reboot the computer for the changes to take effect.
Hope this helps. Post us with the status we will be glad to help you.