ipython notebooks nt working on windows

[NotebookApp] Using existing profile dir: u'C:\\Users\\Denny\\.ipython\\profile_
default'
[NotebookApp] Serving notebooks from C:\Windows\system32
[NotebookApp] The IPython Notebook is running at: http://127.0.0.1:8888/
[NotebookApp] Use Control-C to stop this server and shut down all kernels.
ERROR:root:Uncaught exception GET /new (127.0.0.1)
HTTPRequest(protocol='http', host='127.0.0.1:8888', method='GET', uri='/new', ve
rsion='HTTP/1.1', remote_ip='127.0.0.1', body='', headers={'Accept-Language': 'e
n-US,en;q=0.8', 'Accept-Encoding': 'gzip,deflate,sdch', 'Host': '127.0.0.1:8888'
, 'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8', '
User-Agent': 'Mozilla/5.0 (Windows NT 6.0; WOW64) AppleWebKit/537.31 (KHTML, lik
e Gecko) Chrome/26.0.1410.64 Safari/537.31', 'Accept-Charset': 'ISO-8859-1,utf-8
;q=0.7,*;q=0.3', 'Connection': 'keep-alive', 'Referer': 'http://127.0.0.1:8888/'
})
Traceback (most recent call last):
  File "C:\Anaconda\lib\site-packages\tornado\web.py", line 1042, in _execute
    getattr(self, self.request.method.lower())(*args, **kwargs)
  File "C:\Anaconda\lib\site-packages\tornado\web.py", line 1809, in wrapper
    return method(self, *args, **kwargs)
  File "C:\Anaconda\lib\site-packages\IPython\frontend\html\notebook\handlers.py
", line 262, in get
    notebook_id = nbm.new_notebook()
  File "C:\Anaconda\lib\site-packages\IPython\frontend\html\notebook\notebookman
ager.py", line 274, in new_notebook
    with open(path,'w') as f:
IOError: [Errno 13] Permission denied: u'C:\\Windows\\system32\\Untitled0.ipynb'

ERROR:root:500 GET /new (127.0.0.1) 112.00ms
ERROR:root:Uncaught exception GET /new (127.0.0.1)
HTTPRequest(protocol='http', host='127.0.0.1:8888', method='GET', uri='/new', ve
rsion='HTTP/1.1', remote_ip='127.0.0.1', body='', headers={'Accept-Language': 'e
n-US,en;q=0.8', 'Accept-Encoding': 'gzip,deflate,sdch', 'Host': '127.0.0.1:8888'
, 'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8', '
User-Agent': 'Mozilla/5.0 (Windows NT 6.0; WOW64) AppleWebKit/537.31 (KHTML, lik
e Gecko) Chrome/26.0.1410.64 Safari/537.31', 'Accept-Charset': 'ISO-8859-1,utf-8
;q=0.7,*;q=0.3', 'Connection': 'keep-alive', 'Referer': 'http://127.0.0.1:8888/'
})
Traceback (most recent call last):
  File "C:\Anaconda\lib\site-packages\tornado\web.py", line 1042, in _execute
    getattr(self, self.request.method.lower())(*args, **kwargs)
  File "C:\Anaconda\lib\site-packages\tornado\web.py", line 1809, in wrapper
    return method(self, *args, **kwargs)
  File "C:\Anaconda\lib\site-packages\IPython\frontend\html\notebook\handlers.py
", line 262, in get
    notebook_id = nbm.new_notebook()
  File "C:\Anaconda\lib\site-packages\IPython\frontend\html\notebook\notebookman
ager.py", line 274, in new_notebook
    with open(path,'w') as f:
IOError: [Errno 13] Permission denied: u'C:\\Windows\\system32\\Untitled0.ipynb'

ERROR:root:500 GET /new (127.0.0.1) 6.00ms