Before proceeding, we need more information to help you better.
1) Have you made any changes prior to the issue?
2) Which tiles have disappeared from Start menu?
Kindly follow the below methods and check if it helps.
Open the Task manager. Here’s a tip: Press
Click File > Run New Task.
Make sure you have a check mark beside “Create this task with administrative privileges”
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 and check if it helps.
If the issue persist, follow the below method.
Press ‘Windows + X’ Keys on the keyboard.
Click on ‘Command Prompt (Admin)’ to bring up an elevated command prompt.
Note: Click ‘Yes’ if it prompts for permission.
In the command prompt type in the following commands one by one and then press
DISM.exe /Online /Cleanup-image /Scanhealth
DISM.exe /online /cleanup-image /restorehealth
Note: If you are not able to repair some files after performing SFC scan, I suggest you to refer to the point 3 “Windows Resource Protection found corrupt files but was unable to fix some of them. Details are included in
the CBS.Log %WinDir%\Logs\CBS\CBS.log”. Under the section “Run the System File Checker tool (SFC.exe)”
to repair the corrupted files after performing SFC scan.
Use the System File Checker tool to repair missing or corrupted system files