At this time, you can try to solve it by the following methods. 1. Click the Xiao Na icon in the taskbar to enter Powershell, right-click Powershell in the search results and select "Run as Administrator". 2. Execute the following commands: ① Since the Win 10 App Store cannot be opened, please enter the following command (just copy and paste) and press enter: $ manifest = (get-appxpackageMicrosoft. Windows App Store). install location+' \ app xmanifest . XML '； Add-appx package- disable development mode -register $ manifest ② If the Win 10 application cannot be opened, please enter the following command: get-appxpackage-all users | foreach {add-appxpackage-disable development mode -register "$ ($ _. install location)\ app xmanifest . XML " } 3。 Open Settings-Updates and Secure Windows Update (you can click here to open it directly) and install all detected updates. 4. For the problem that the app store can't be opened, if all the above methods fail, you can try to reset the app store: press Win+R to start running, enter wsreset, and press Enter. 5. Opening the app store will prompt "The server is wrong, we all have problems", and the error code is 0x80072EFD, which may be caused by the proxy settings in IE. At this time, you can view Internet options-Connection-LAN settings of IE, as shown below. If "Use proxy server for LAN" is selected, it will be deselected.