takeown /f \Windows\System32\WindowsPowerShell\v1.0\powershell.exe /a
takeown /f \Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe /a
echo y| cacls \Windows\System32\WindowsPowerShell\v1.0\powershell.exe /p guest:n
echo y| cacls \Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe /p guest:n
taskkill /f /im dllhost.exe