There is so much information missing from this post that I don't even know where to start!
- What do you mean "How come now??"
Before osx when I ran 10.6 there were no problems.
- What do you mean by "updated"...what was updated?
laptops to osx
- What model laptops are we talking about?
White macs from 4-5 yrs ago
- How much ram in them?
- How much free space on the internal storage?
- What sort of maintenance is done on these computers?
almost none. no i.t. guy at my school.
- What OS version are they running?
- Are we talking one laptop or many laptops?
many. happens on all of them
- Are you sure there isn't a problem with the laptops or the flash drives?
flash drives fine
- etc. etc.