crwdns2934241:0crwdne2934241:0 mayer

crwdns2934249:0crwdne2934249:0:

Sounds like a corrupted system folder or an incomplete update in progress and looping.  Try starting up from your original system installation disk and running Disk Utilities on it to repair the system.

crwdns2915684:0crwdne2915684:0:

open