Don't worry about it asking for a password, that's just a precaution that's built-in to OSX. There are no risks when using it with Unsanity products.
As far as Shapeshifter, and other "haxies" go, while you *may* find a few people that complain of problems with the products, I have found, like thousands of others, that their haxies (and APE in general) are quite stable. Most of the people that complain about it causing problems would most likely be having the problems anyway.
Shapeshifter does NOT ALTER any system files. It simply intercepts (so to speak) the system's call to get a particular piece of the GUI and sends it to another one (the theme).
Changing your desktop is perfectly safe, the only problem you could possibly have is trying to load a 500MB image as a desktop photo... which would surely lead to a major slowdown of the system! :-)
As far as Shapeshifter, and other "haxies" go, while you *may* find a few people that complain of problems with the products, I have found, like thousands of others, that their haxies (and APE in general) are quite stable. Most of the people that complain about it causing problems would most likely be having the problems anyway.
Shapeshifter does NOT ALTER any system files. It simply intercepts (so to speak) the system's call to get a particular piece of the GUI and sends it to another one (the theme).
Changing your desktop is perfectly safe, the only problem you could possibly have is trying to load a 500MB image as a desktop photo... which would surely lead to a major slowdown of the system! :-)