Zeromq stands for zero message queue (http://zeromq.org/) and is the 
protocol used by Jupyter/IPython backends to communicate with the 
Jupyter/IPython frontend. So if there is any problems with that you can not 
run the Julia kernel (aka the Julia backend).

Also if you have problems like that it is helpful to add logs from IPython 
since they most often contain information about what is wrong. To get those 
logs run IPython from a command line and copy the output to something like 
gist or pastebin.com

On Wednesday, 1 July 2015 15:11:24 UTC+9, Gabriel Goh wrote:
>
> haven't tried it, but could you explain what zeromq is?
>
> On Tuesday, June 30, 2015 at 7:10:53 PM UTC-7, Tony Kelman wrote:
>>
>> Try the following in 0.3.10
>>
>> Pkg.update()
>> using WinRPM
>> WinRPM.update()
>> WinRPM.install("zeromq")
>>
>> This should make things work on 0.3.10, but may break on 0.3.9.
>>
>>
>> On Tuesday, June 30, 2015 at 9:21:42 PM UTC-4, Gabriel Goh wrote:
>>>
>>> Thanks for the info. I'm on a windows machine, if it makes a difference.
>>>
>>> On Tuesday, June 30, 2015 at 6:18:54 PM UTC-7, Miguel Bazdresch wrote:
>>>>
>>>> Works for me on Linux, with julia v0.3.10, and IJulia master.
>>>>
>>>> -- mb
>>>>
>>>> On Tue, Jun 30, 2015 at 9:00 PM, Gabriel Goh <[email protected]> wrote:
>>>>
>>>>> Hey everyone,
>>>>>
>>>>> I've upgraded to Julia v0.3.10 and did the requisite 
>>>>> Pkg.build("IJulia") commands. After launching an IJulia notebook, the 
>>>>> kernel keeps timing out (reported as dead in IPython).
>>>>>
>>>>> Downgrading to Julia v0.3.9 and re-running build("IJulia") fixes the 
>>>>> problem. Any suggestions?
>>>>>
>>>>> Gabe
>>>>>
>>>>
>>>>

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