Moving this discussion to the Installing Flash Player forum.
I have Windows XP, 2002 edition. Some additional info, if it means anything:
My problem started after a Windows reinstall. I have done this before without a problem. It appears that I can't install other programs or upgrades due to similar error messages about registry points and the dynamic link library.
I have Windows XP, 2002 edition.
Then you do not have the latest service pack installed. Install SP3, and all should be fine.