Helpful link https://www.winhelponline.com/blog/start-and-taskbar-stuck-windows-10-fix-shellexperiencehost/#reinstall_start

Open powershell in admin mode

```bash {.line-numbers} win + x choose powershell admin


* Open process manager via `ctrl + shift esc`

locate start and end task

* Type in power shell

```bash {.line-numbers}
Get-AppxPackage Microsoft.Windows.StartMenuExperienceHost | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml"}


Get-AppxPackage Microsoft.Windows.ShellExperienceHost | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml"}

Get-AppxPackage Microsoft.Windows.Cortana | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml"}

Fixing missing action center in windows 10