Gareth at Serif wrote:
> The file itself is an EXE, built in VisualStudio 2005 with an internal
> manifest, later VeriSigned for Vista verification and just under 13MB in
> size.  Why can't it be patched by binary difference?  

I've run into that before using non-executable data files. The closest I 
can come to an answer is that the delta patch is so complex that it just 
gives up. Try making just that file a full-file patch and compare the 
sizes. In my case, the delta patch was only 10 percent smaller than a 
full-file patch, which is why I think it's a question of complexity.

-- 
sig://boB
http://joyofsetup.com/



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