D:\work\software\shtoom>python
ActivePython 2.4.1 Build 245 (ActiveState Corp.) based on
Python 2.4.1 (#65, Mar 30 2005, 09:33:37) [MSC v.1310 32 bit (Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>>
D:\work\software\twisted\Twisted-2.0.0>python setup.py install
running install
running build
running build_py
running build_ext
Traceback (most recent call last):
  File "setup.py", line 113, in ?
    dist.setup(**setup_args)
  File ".\twisted\python\dist.py", line 69, in setup
    return core.setup(**kw)
  File "D:\Python24\lib\distutils\core.py", line 149, in setup
    dist.run_commands()
  File "D:\Python24\lib\distutils\dist.py", line 946, in run_commands
    self.run_command(cmd)
  File "D:\Python24\lib\distutils\dist.py", line 966, in run_command
    cmd_obj.run()
  File "D:\Python24\lib\distutils\command\install.py", line 506, in run
    self.run_command('build')
  File "D:\Python24\lib\distutils\cmd.py", line 333, in run_command
    self.distribution.run_command(command)
  File "D:\Python24\lib\distutils\dist.py", line 966, in run_command
    cmd_obj.run()
  File "D:\Python24\lib\distutils\command\build.py", line 112, in run
    self.run_command(cmd_name)
  File "D:\Python24\lib\distutils\cmd.py", line 333, in run_command
    self.distribution.run_command(command)
  File "D:\Python24\lib\distutils\dist.py", line 966, in run_command
    cmd_obj.run()
  File "D:\Python24\lib\distutils\command\build_ext.py", line 253, in run
    force=self.force)
  File "D:\Python24\lib\distutils\ccompiler.py", line 1177, in new_compiler
    return klass (None, dry_run, force)
  File "D:\Python24\lib\distutils\msvccompiler.py", line 211, in __init__
    self.__macros = MacroExpander(self.__version)
  File "D:\Python24\lib\distutils\msvccompiler.py", line 112, in __init__
    self.load_macros(version)
  File "D:\Python24\lib\distutils\msvccompiler.py", line 126, in load_macros
    self.set_macro("FrameworkDir", net, "installroot")
  File "D:\Python24\lib\distutils\msvccompiler.py", line 118, in set_macro
    self.macros["$(%s)" % macro] = d[key]
KeyError: 'installroot'