Hi Christian,

I'm glad you are enjoying our latest release. About your problem: a quick google search seems to point to a problem with zmq (the library for interprocess communication used by IPython). See this link:

https://zeromq.jira.com/browse/LIBZMQ-279

The proposed solution in that bug report is:

"The problem could be solved by fixing the port used for sockepair emulation and configuring the firewall so that local connections on given port are allowed."

Cheers,
Carlos

El 18/04/13 14:53, Christian Münker escribió:
Using WinPython 2.7.3.3 and Spyder 2.2.0rc under Windows7 32bit, Spyder runs incredibly stable on my system and I'm really happy with the software.

One little hiccup I get from time to time is that I can't start a new IPython console from the menu ('Interpreters -> Open an IPython console'). A new IPython Tab appears in the Tab <Console> but it is greyed out (see screenshot), hasn't got a Kernel ID and the window only contains the message

Assertion failed: Permission denied (..\..\..\src\err.cpp:247)

I haven't been able yet to track down the conditions under which this error occurs, it might be related to switching the IPython graphic mode using

Tools -> Preferences -> IPython -> Graphics -> Backend -> e.g. from Inline to Automatic

Switching to e.g. Qt usually allows to start a new IPython console again, so, not really annoying.

Cheers,

Christian

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