Exchange 2010 sp3 update rollup 2 – error 8024002D
Install Exchange 2010 sp3 update rollup 2 and if you don’t have the extracted sp3 folder contents left behind you will find that the update fails with a 8024002D error.
Reextract the contents of sp3 out again
And try the update again.
(also see http://www.stevieg.org/2013/08/update-rollup-2-for-exchange-2010-sp3-prompts-for-install-files/)