HT3805 I have Aperture 3 installed and have used it for a while.  Now when I try to open it, the licensing window appears asking for the registration #.  Yet it says it's invalid.  (I have the # from Aperture on another computer.)  Any ideas?

I have Aperture 3 iinstalled and have used it for quite a while.  Now when I try to open it a licensing window appears and wants the reg #.  I copy it from the program on another comupter, yet it says that it's invalid.  Any ideas?

Check this support article:
Troubleshooting Professional Application Serial Numbers:
http://support.apple.com/kb/TS2005
Sometimes look-alike characters may be confused, also you may need to enter the previous registration numbers as well, if your Aperture version is an upgrade to Aperture 2 or 1.
Regards
Léonie

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