python - Firefox アドオン SDK の使用を開始する

Question

私は、アドオン SDK を使用して Firefox アドオンを開発する方法を学ぶことに決め、Mozilla Web サイトのチュートリアルに従っていました。実行のポイントに到達するとcfx run、次の例外が発生しました（一体何ですか）：

注: Firefox バージョン 23.0、アドオン SDK 1.14、Python 2.6.6、OS Windows XP SP3

(D:\addon-sdk-1.14) D:\my_addon>cfx run
Traceback (most recent call last):
  File "D:\addon-sdk-1.14\bin\cfx", line 33, in <module>
    cuddlefish.run()
  File "D:\addon-sdk-1.14\python-lib\cuddlefish\__init__.py", line 928, in run
    bundle_sdk=options.bundle_sdk)
  File "D:\addon-sdk-1.14\python-lib\cuddlefish\runner.py", line 640, in run_app

    print >>sys.stderr, "Using binary at '%s'." % runner.binary
LookupError: unknown encoding: cp720
Error in atexit._run_exitfuncs:
Traceback (most recent call last):
  File "D:\Python26\lib\atexit.py", line 24, in _run_exitfuncs
    func(*targs, **kargs)
  File "D:\addon-sdk-1.14\python-lib\cuddlefish\runner.py", line 534, in maybe_r
emove_outfile
    os.remove(outfile)
WindowsError: [Error 32] The process cannot access the file because it is being
used by another process: 'c:\\docume~1\\ab\\locals~1\\temp\\harness-stdout-p7spr
q'
Error in sys.exitfunc:
Traceback (most recent call last):
  File "D:\Python26\lib\atexit.py", line 24, in _run_exitfuncs
    func(*targs, **kargs)
  File "D:\addon-sdk-1.14\python-lib\cuddlefish\runner.py", line 534, in maybe_r
emove_outfile
    os.remove(outfile)
WindowsError: [Error 32] The process cannot access the file because it is being
used by another process: 'c:\\docume~1\\ab\\locals~1\\temp\\harness-stdout-p7spr
q'