Home/ Questions/Createprocess error=193, %1 is not a valid win32 application - simple solution when encountering the error.
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Answered
Rai Garcia
  • 28
Asked: 2022-05-18T21:29:29+00:00 In:

Createprocess error=193, %1 is not a valid win32 application – simple solution when encountering the error.

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I am new to programs and searching the “createprocess error=193, %1 is not a valid win32 application” to understand it better. It seems it doesn’t work as expected when I used some suggestions before. Here is the command line I use:

procedure StartProcess(WorkDir, Filename: string; Arguments : string = '');
 var
  StartupInfo : TStartupInfo;
  ProcessInfo : TProcessInformation;
  lCmd : string;
  lOK : Boolean;
  LastErrorCode: Integer;
 begin
  FillChar( StartupInfo, SizeOf( TStartupInfo ), 0 );
  StartupInfo.cb := SizeOf( TStartupInfo );
  StartupInfo.dwFlags := STARTF_USESHOWWINDOW;
  StartupInfo.wShowWindow := sw_Normal;
 
  FillChar( ProcessInfo, SizeOf( TProcessInformation ), 0 );
 
  lCmd := '"' + WorkDir + FileName + '"'; // Quotes are needed https://stackoverflow.com/questions/265650/paths-and-createprocess
  if Arguments <> '' then lCmd := lCmd + ' ' + Arguments;
 
  lOk := CreateProcess(nil,
  PChar(lCmd),
  nil,
  nil,
  FALSE, // TRUE makes no difference
  0, // e.g. CREATE_NEW_CONSOLE or NORMAL_PRIORITY_CLASS makes no difference
  nil,
  nil, // PChar(WorkDir) makes no difference
  StartupInfo,
  ProcessInfo);
 
  if lOk then
  begin
  try
  WaitForSingleObject(ProcessInfo.hProcess, INFINITE);
  finally
  CloseHandle( ProcessInfo.hThread );
  CloseHandle( ProcessInfo.hProcess );
  end;
  end
  else
  begin
  LastErrorCode := GetLastError;
  ShowMessage(IntToStr(LastErrorCode) + ': ' + SysErrorMessage(LastErrorCode));
  end;
 end;
 
 procedure TFrmStartProcess.Button1Click(Sender: TObject);
 begin
  StartProcess('c:\program files (x86)\axe3','axe.exe'); // Works
 end;
 
 procedure TFrmStartProcess.Button2Click(Sender: TObject);
 begin
  StartProcess('d:','klad.xls'); // Fails
 end;
 
 procedure TFrmStartProcess.Button3Click(Sender: TObject);
 begin
  StartProcess('d:','smimime.txt'); // Fails
 end;

The error I’m getting is below:

193 (%1 is not a valid Win32 app)

Please give me the solution to this issue.

%1 is not a valid win32 application193
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2 Answers

  1. Best Answer
    Expert

    The cause:

    You have got this error because of two reasons:

    1. You are trying to load a file that isn’t an executable one.
    2. One of the executable’s dependents, means that the DLLs are  connected to the executable file, is having trouble in the process of loading. A mismatch between a 32 bit executable and a 64 bit DLL, or vice versa, is the most frequent cause of that.

    Solution:

    To solve this problem, you must supply an executable file to CreateProcess. You require ShellExecute instead of CreateProcess in the case you want to be able to open any file with its related applications.

    Let’s use Dependency Walker’s profile mode to determine precisely what is incorrect happening for investigating purpose and get more information.

    • 0

  2. Your Button2Click, Button3Click functions pass klad.xls & smimime.txt. These files are most likely not executables.

    ShellExecute is used to open any file using the associated application.

    • 21

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