Salut, essaye ceci pour le menu démarrer :
Désolé, c'est en anglais.
Start by running the Start menu troubleshooter
http://aka.ms/diag_StartMenuLets start with the basics:
Method 1: Run the Search and Indexing Troubleshooter.
Follow the below steps:
1. Open Control Panel.
2. Select Troubleshooting.
3. Click on Search and Indexing Troubleshooter.
4. Run the Troubleshooter.
Method 2: Run the DISM Tool. If the issue persists, I would have run the DISM tool to check the system health and will try to restore the files.
1. Click on 'Start'.
2. Enter 'Command prompt' in the Search box.
3. In the list of results, swipe down on or right-click Command Prompt, and then tap or click 'Run as administrator'.
4. In the Administrator: Command Prompt Window, type the following commands. Press the Enter key after each command:
DISM.exe /Online /Cleanup-image /Scanhealth DISM.exe /Online /Cleanup-image /Restorehealth
To close the Administrator: Command Prompt window, type Exit,
and then press Enter.
Note: The tool might take 15-20 minutes to finish running, so please do not cancel it.
Method 3: Restart the Cortana Process in Task Manager
Press Windows key + X
Click Task Manager
Select the Processes tab
Scroll through the list of processes, select Cortana then click End Task.
Restart Windows 10 then see if it starts working.
Method 4: Reinstall Cortana\
Press Windows key + X
Click PowerShell (Admin)
At the command Prompt, type then following the hit Enter.
Exit Powershell the restart
Get-AppXPackage -Name Microsoft.Windows.Cortana | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml"}
Source/Credit: Microsoft Forum Moderators
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Et pour les application :
How to fix the missing apps bug in Windows 10 Fall Creators Update
Use Cortana’s search bar from the taskbar and type “PowerShell”.
Run PowerShell with administrator privileges (right click PowerShell option and select ‘Run as administrator’.
Now all you need to do is copy paste the below command and hit the enter key:
Get-AppXPackage | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($_.InstallLocation)\AppXManifest.xml”}
Windows will now reinstall the applications.
Once the apps have been reinstalled, reboot your Windows 10 to reflect the changes and the missing apps will be back now. If the apps are still broken, you should reset your PC or roll back to the previous version of Windows 10 i.e the Creators Update.