How to end a process using inno setup?

Question

I want to kill a process using inno setup.i want to check whether the window is open before i start installing the setup.

can i do this by searching windows name? please help me with some sample code to kill the process

Answer 1

The best option is to use a mutex to see if it's still running using AppMutex. One way to close it is to find the window handle then just post a simple WM_CLOSE message.

There are other options like the Files in use extension and PSVince

Also see this article for a bit more information.

Answer 2

in the [UninstallRun] section, you can add the following code:

Filename: {sys}\taskkill.exe; Parameters: "/f /im MyProcess.exe"; Flags: skipifdoesntexist runhidden

Answer 3

This is something I did to prompt the user to close a program if it was found running.

function CheckProcessRunning( aProcName,
                              aProcDesc: string ): boolean;
var
  ShellResult: boolean;
  ResultCode: integer;
  cmd: string;
  sl: TStringList;
  f: string;
  d: string;
begin
  cmd := 'for /f "delims=," %%i ' + 
         'in (''tasklist /FI "IMAGENAME eq ' + aProcName + '" /FO CSV'') ' + 
         'do if "%%~i"=="' + aProcName + '" exit 1'; 
  f := 'CheckProc.cmd';
  d := AddBackSlash( ExpandConstant( '{tmp}' ));
  sl := TStringList.Create;
  sl.Add( cmd );
  sl.Add( 'exit /0' );
  sl.SaveToFile( d + f );
  sl.Free;
  Result := true;
  while ( Result ) do
  begin
    ResultCode := 1;
    ShellResult := Exec( f,
                         '',
                         d, 
                         SW_HIDE, 
                         ewWaitUntilTerminated, 
                         ResultCode );
    Result := ResultCode > 0;
    if Result and 
       ( MsgBox( aProcDesc + ' is running. This program must be closed to continue.'#13#10 + 
                 'Please close it and click Yes to retry or click No to cancel this installer.', 
                 mbConfirmation, 
                 MB_YESNO ) <> IDYES ) then
      Break;
  end;
  DeleteFile( d + f );
end;

I used it in the following special code sections as follows:

// Perform some initializations.  Return False to abort setup
function InitializeSetup: Boolean;
begin
  // Do not use any user defined vars in here such as {app}
  InitializeGlobals;
  Result := not ( CheckProcessRunning( 'bcb.exe',      'C++ Builder' ) or
                  CheckProcessRunning( 'delphi32.exe', 'Delphi'      ) or
                  CheckProcessRunning( 'bds.exe',      'Rad Studio'  ));
end;


function InitializeUninstall: Boolean;
begin
  InitializeGlobals;
  Result := not ( CheckProcessRunning( 'bcb.exe',      'C++ Builder' ) or
                  CheckProcessRunning( 'delphi32.exe', 'Delphi'      ) or
                  CheckProcessRunning( 'bds.exe',      'Rad Studio'  ));
end;

Answer 4

A less complicated method would be to run a batch file which uses task kill

ie: if you wanted to kill notepad before uninstalling

taskkill /IM notepad.exe