yes… I introduced that problem in Pharo 5. 
If you are using that version right now, it is my fault :)
(but is Pharo 5 pre-alpha so we are ok with this instabilities for now… I will 
solve that after ESUG)

cheers, 
Esteban


> On 14 Jul 2015, at 14:51, Blondeau Vincent <vincent.blond...@worldline.com> 
> wrote:
> 
> Hello,
> 
> I have the same problem and it seems to be random. It is related to font 
> cache.
> 
> I opened a bug related to it: 
> https://pharo.fogbugz.com/f/cases/15944/Image-crash-on-Pharo-due-to-fonts-on-W7
> 
> I will raise the priority because it is very painful...
> 
> I am at ESUG too maybe we can discuss of it ;)
> 
> Vincent Blondeau
> ________________________________________
> De : Pharo-users [pharo-users-boun...@lists.pharo.org] de la part de Jan 
> Blizničenko [blizn...@fit.cvut.cz]
> Date d'envoi : mardi 14 juillet 2015 11:38
> À : pharo-users@lists.pharo.org
> Objet : [Pharo-users] Saving image sometimes corrupts it
> 
> Hello
> 
> I come with another probably-only-mine-windows-related problem which I
> am unable to reproduce from a clean image. I use latest image 50170,
> latest (9th July 2015) Windows VM, Windows 7 64bit. So there is my vague
> description:
> When I load some project, modify it few times and save it, then
> SOMETIMES (seems random to me) when I try to open this saved image, it
> immediately crashes VM and does not even produce crash.dmp file (well,
> it creates it, but empty).
> 
> For example, I have such image... I save it, do not close it, try to
> open it, crash, save it again, try to open it, it runs, save it again,
> close, try to open it, crash. Without any change inside the image by my
> hand.
> 
> I tried doing something similar with clean image, but it never corrupted it.
> 
> I am unable to open such image even on my Linux machine. It at least
> generates output when segmentation fault happens:
> http://pastebin.com/KLry40Hu
> HDD I am saving it to does not show any signs of damage, everything else
> is working (and saving) just fine.
> 
> Here is such crashing image:
> http://www.mediafire.com/download/h5vhh7c40cl1w15/Pharo+5.0+%28beta%29-50170+%E2%80%93+crashing.zip
> and here is the same image saved again which runs fine:
> http://www.mediafire.com/download/86djppsn1ds3c0o/Pharo+5.0+%28beta%29-50170-ok.zip
> However, when I open this "ok" image in linux, it causes segfault too.
> 
> I tried also opening working image in VM marked as stable (2015-09-24),
> then I saved it and there was the same problem.
> 
> This is probably all I know about it, although I am aware that it is not
> much, but I am in the dead end and this problem is really huge for me.
> 
> I am on ESUG so if you are here too and think you might be able to help,
> I can show it to you personally.
> 
> Jan Blizničenko
> 
> 
> 
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