Zonealarm warning

Mike or Penny Novack stepbystepfarm at mtdata.com
Fri Dec 24 12:58:54 EST 2010


>Previous versions of the GnuCash installer did not do this, so why this one?
>
>  
>
The "ZoneAlarm" folks fixed a bug?

This might be hard for non computer science types to understand but an 
installer is installing something that the "checker" program cannot 
determine is harmless and so must be considered potentially malicious. 
In other words, it is IMPOSSIBLE to have a program that can IN GENERAL 
examine the code of a program and determine its run time behavior. The 
way you prove this impossibility is closely related to how Alan Turing 
proved the "halting problem" long ago (that no general purpose "checker" 
could determine whether programs would loop so if you have ever seen 
that proof you'd know how to construct this one). The rest of you, take 
our word for it.

Michael




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