Hi Ian,

> On Apr 28, 2017, at 5:51 AM, Ian Trudel <ian.trudel at gmail.com> wrote:
> 
> I managed to unstuck it with frantically pressing alt-. 

and where was it stuck?

>  
>> On Windows I have no idea but I assume you're not on Windows cuz we don't have the 64-bit JIT VM working there yet.
> 
> http://files.squeak.org/5.1/Squeak5.1-16549-64bit/Squeak5.1-16549-64bit-201608180858-Windows.zip
> 
> Is this not a 64 bit VM on Windows? Using it right now...

I guess it's only a StackInterpreter VM.  If you use the About Squeak tool what's the VM version info you get?

> 
> Ian 
> 
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