To unlock a file, go to the information window on the file, remove the check mark next to the "lock" option. Do that for the folder as well as for the individual files. If they still won't delete, put the previous system folder in the trash. Reboot. Delete.
Don't mess with Filevault at this point--perhaps ever.
_________________________ MACTECHubi dolor ibi digitus
I'm coming in late to the game here, but from what I've read it seems to me that the best thing to do is back up any important USER-CREATED FILES (photos, documents, music, etc.) - then erase the hard drive and install a fresh system.
Trying to troubleshoot a system that has multiple system folders that (if I recall) were installed by someone else is enough to drive you mad.
Just my 2¢
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Is this a true story ? I have been on mac forums for a number of years and never seen a trilogy such as these threads about his iMac. Most posters problems are solved in a very short time. SO I RESPECTFULLY SAY WIPE FIRKIN HARD DRIVE AND FIRKIN INSTALL OS X ! Or give up on raising the dead and realize it's time to get really really real and go to the Apple Store and buy a mac !
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