[IronPython] I can't install the MSI for IP2.6 RC1 -SOLVED

Sandy Walsh swalsh at impathnetworks.com
Fri Jan 8 15:34:20 CET 2010

As Simon mentioned, the .NET Runtime Optimization Service v2.0.50727_X86 
service is either not running or not installed. In my case it was not 

To install it do the following:

C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727>mscorsvw.exe -i

Then the IronPython 2.6RC1 installer will work fine.

Hope it helps!

On 1/8/2010 8:49 AM, Sandy Walsh wrote:
> Thanks Simon, just found a blog post mentioning the same thing.
> Trouble is ... I don't have that service (which makes sense I 
> suppose). Shouldn't it get installed with the .NET runtimes? I have 
> everything from 2.0 to 3.5.1 installed.
> Thoughts?
> -Sandy
> On 1/8/2010 8:44 AM, Simon Dahlbacka wrote:
>> ... but now I'm trying to find what the queue service runs under and 
>> how to fix it.
>> at least on my XP x86 machine it is:
>> Display name: .NET Runtime Optimization Service v2.0.50727_X86
>> Service name: clr_optimization_v2.0.50727_32
>> Startup type: manual
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> Users at lists.ironpython.com
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