I don’t know what to tell you. I’m on 10.10.2 and I’ve never had a problem. 
I just downloaded it from the ftp area and put it in my Dropbox, where you can download it from. [1]

Chris

[1] https://www.dropbox.com/s/v3ler8nzzf3qs2x/Squeak4.5-13680.zip?dl=0


> On Dec 23, 2014, at 4:28 PM, Ken G. Brown <kbrown at mac.com> wrote:
> 
> MacOS X Yosemite 10.10.1
> I downloaded Squeak4.5-13680.zip from ftp.squeak.org <http://ftp.squeak.org/> and attempted to unzip it, got an error: Unable to expand “ Squeak4.5-13680.zip” into “SqC4.5Release”. (Error 2 - No such file or directory.)
> 
> 
> The directory exists, and is in fact where the zip lives.
> 
> I’ve set System Preferences/Security & Privacy/General to Allow apps downloaded from anywhere
> 
> Does anyone know how to get past this error and unzip on Mac?
> 
> Ken G. Brown
> 

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