How do I run PowerShell scripts in debug mode in PowerGUI under .NET 4 Framework?

I've read the whole thread about running PowerShell under .NET 4.0, including the 开发者_运维问答warnings about what happens when using the registry keys to make the scripts run under that framework.

So far, I only get the desired result with the registry keys. Is anyone aware of a way to make this work without changing the registry keys? When I checked PowerGUI's discussion boards, even they pointed to the stackoverflow thread. Has anyone come up with something better since April 2010?

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1- Go to: "C:\Program Files (x86)\PowerGUI" and create a "ScriptEditor.exe.config" file.

2- Paste this xml in the file

<?xml version="1.0"?> 
<configuration> 
    <startup useLegacyV2RuntimeActivationPolicy="true"> 
        <supportedRuntime version="v4.0.30319"/> 
        <supportedRuntime version="v2.0.50727"/> 
    </startup> 
</configuration>

3- Enjoy

This way, your change won't alter the whole machine.

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RE "something better" - short of PowerGUI being recompiled to target .NET 4.0 - no. Out of curiousity, what .NET 4.0 feature are you trying to access in .NET 4?

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I'm not a dev but maybe you create a config file for powergui. Check this page:

http://poshcode.org/1971