iWork apps crash in 10.9
Installed 10.9 and updated iWork apps via App Store.
iWork apps (Pages, Keynote) now crash on launch.
Attempted restart and checked for further updates with no success.
iMac 2.7 Ghz Intel Core i5 8GB ram.
iMac (21.5-inch, Late 2012), OS X Mavericks (10.9)