[rounin]

No necesitas la ruta para terminar un proceso, solo Process Id

 
// uses TlHelp32;
function GetProcessIdByName(const ExeName: string): Integer;
var PE: TProcessEntry32;
    hSS: THandle;
    s: string;
begin
  Result := 0;
  hSS := CreateToolHelp32SnapShot(TH32CS_SNAPPROCESS, GetCurrentProcessId);
  PE.dwSize := SizeOf(PE);
  Process32First(hSS, PE);
  repeat
    s := PE.szExeFile;
    if CompareText(s, ExeName) = 0 then
    begin
      Result := PE.th32ProcessID;
      Break;
    end;
  until not Process32Next(hSS, PE);
  CloseHandle(hSS);
end;
procedure KillProcessById(ProcessId: Integer);
var h: THandle;
begin
  h := OpenProcess(PROCESS_TERMINATE, False, ProcessId);
  if h = 0 then Exit;
  TerminateProcess(h, 0);
  CloseHandle(h);
end;
function GetFullExePathById(ProcessId: Integer): string;
var ME: TModuleEntry32;
    hSS: THandle;
    s: string;
begin
  Result := '';
  hSS := CreateToolHelp32SnapShot(TH32CS_SNAPMODULE, ProcessId);
  ME.dwSize := SizeOf(ME);
  Module32First(hSS, ME);
  repeat
    s := LowerCase(ME.szExePath);
    if Pos('.exe', s) <> 0 then
    begin
      Result := s;
      Break;
    end;
  until not Module32Next(hSS, ME);
  CloseHandle(hSS);
end;