Do not do the 10.0.1 update! Go directly to the 10.0.2. Updates are inclusive, that is all updates are included in the latest update. Because of system services issues, the update from 10.0.0 to 10.0.2 should work fine but the update from 10.0.1 requires a special procedure.
Roy Laudenslager ACT! Certified Consultant Techbenders firstname.lastname@example.org