Open the windows command prompt in administrator mode:

  1. + X (on yor keyboard press the Windows icon and the letter “x” simultaneously
  2. click “Run”
  3. Type cmd.exe
  4. Right mouse click command prompt icon on your toolbar
  5. Right mouse click text “Command Prompt” -> left click “Run as Administrator”
  6. Windows will next ask your permission to run the commad pompt as administrator. Click “Yes”

  7. Kill SearchUI.exe from the command line:
    C:\WINDOWS\System32> taskkill /f /im SearchUI.exe
  8. Finally, rename the Cortana object by “moving” it to another filename. In the below case we’re appending .000 to the name. Important: The entirety of the below is on a single line:
    C:\WINDOWS\System32> move %windir%\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy %windir%\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy.000