title: Anaconda: An unexpected error ocurred on Navigator start-up
body: <p>I had installed Anaconda, I had managed to launch it and then use R or python, and today I can no longer launch it and I get this error (I get the same error when I run the software in administrator mode)</p>
  
  <pre><code>An unexpected error ocurred on Navigator start-up
  psutil.AccesDenied(pid=5740)
  
  Traceback (most recent call last):
  File "C:\Users\user\Anaconda3\lib\site-packages\psutil\_pswindows.py", line 620, in wrapper
  return fun(self, *args, **kwargs)
  File "C:\Users\user\Anaconda3\lib\site-packages\psutil\_pswindows.py", line 690, in cmdline
  ret = cext.proc_cmdline(self.pid)
  PermissionError: [WinError 5] Access Denied
  
  During handling of the above exception, another exception occurred:
  
  Traceback (most recent call last):
  File "C:\Users\user\Anaconda3\lib\site-packages\anaconda_navigator\exceptions.py", line 75, in exception_handler
  return_value = func(*args, **kwargs)
  File "C:\Users\user\Anaconda3\lib\site-packages\anaconda_navigator\app\start.py", line 108, in start_app
  if misc.load_pid() is None: # A stale lock might be around
  File "C:\Users\user\Anaconda3\lib\site-packages\anaconda_navigator\utils\misc.py", line 384, in load_pid
  cmds = process.cmdline()
  File "C:\Users\user\Anaconda3\lib\site-packages\psutil\__init__.py", line 701, in cmdline
  return self._proc.cmdline()
  File "C:\Users\user\Anaconda3\lib\site-packages\psutil\_pswindows.py", line 623, in wrapper
  raise AccessDenied(self.pid, self._name)
  psutil.AccessDenied: psutil.AccessDenied (pid=5740) 
  </code></pre>