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Assembly "changing?" when opened.

Question asked by Colin Parkhurst on Aug 20, 2009
Latest reply on Jan 11, 2017 by Andy Sanders

Ok... I've noticed an odd occurence while working on a certain assembly in recent days.  This assembly, which contains about 100 parts/subassemblies and has 3 configurations, shows as being altered immediately upon opening regardless of what I don't do to it.  It appears this is only an issue with the top assembly and none of the parts themselves.  This is obviously not a serious matter, but just one that has me a bit confused.  Anyone know why this may be happening?