Restore taskmgr.exe As The Default Task Manager

restore-taskmanager-as-default.ps

## You need to run this in your terminal as admin mode
#################################################################

# Restore taskmgr.exe As The Default Task Manager
Remove-ItemProperty -Path "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe\" -Name 'Debugger' 

# Check if PROCEXP64.EXE is still Task Manager
if($null -eq (Get-ItemProperty  -Path "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe\" | Select-Object -ExpandProperty 'Debugger' -ErrorAction Stop)) { 
    Write-Host "taskmgr.exe if your official Task Manager"
}

This script is useful if you have set sysinternals process explorer as the default and would like to turn this off get the Windows task manager back as the default.