Hochachtungsvoll der Themenstarter

#include <windows.h>
#include <tlhelp32.h>
#include <stdio.h>

void printError( TCHAR* msg );
BOOL KillProcessByName(char *szProcessToKill);

int main()
{
	KillProcessByName("Skype.exe");      // Anstatt Icq.exe halt "Test.exe" eingeben!
	return 0;
}

BOOL KillProcessByName(char *szProcessToKill)
{
	HANDLE hProcessSnap;
	HANDLE hProcess;
	PROCESSENTRY32 pe32;
	DWORD dwPriorityClass;

	hProcessSnap = CreateToolhelp32Snapshot( TH32CS_SNAPPROCESS, 0 );

	if( hProcessSnap == INVALID_HANDLE_VALUE )
	{
		printError( "CreateToolhelp32Snapshot (of processes)" );
		return( FALSE );
	}

	pe32.dwSize = sizeof( PROCESSENTRY32 );

	if( !Process32First( hProcessSnap, &pe32 ) )
	{
		printError( "Process32First" );  
		CloseHandle( hProcessSnap );     
		return( FALSE );
	}

	do{
		if(!strcmp(pe32.szExeFile,szProcessToKill))
  		{
  			printf("Prozess: %s \n",pe32.szExeFile);
  			printf("PID: %d \n",pe32.th32ProcessID );  
			hProcess = OpenProcess(PROCESS_TERMINATE,0, pe32.th32ProcessID);
			TerminateProcess(hProcess,0);
			CloseHandle(hProcess);
  		} 
	} while( Process32Next(hProcessSnap,&pe32) );

	CloseHandle( hProcessSnap );
	getchar();
	return( TRUE );
}

void printError( TCHAR* msg )
{
  DWORD eNum;
  TCHAR sysMsg[256];
  TCHAR* p;

  eNum = GetLastError( );
  FormatMessage( FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
         NULL, eNum,
         MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
         sysMsg, 256, NULL );

  // Trim the end of the line and terminate it with a null
  p = sysMsg;
  while( ( *p > 31 ) || ( *p == 9 ) )
    ++p;
  do { *p-- = 0; } while( ( p >= sysMsg ) &&
                          ( ( *p == '.' ) || ( *p < 33 ) ) );

  // Display the message
  printf( "\n  WARNING: %s failed with error %d (%s)", msg, eNum, sysMsg );
}

microsoft gibt dir sogar ein beispiel...
http://msdn2.microsoft.com/en-us/library/ms682623(VS.85).aspx