10 thoughts on “Mac hangs at blue screen (login window crash)

  1. You absolute beauty!! I’ve been trying to fix this damned thing for the last two and a half hours now. Finally managed to work out it was the loginwindow, then that the authorization could be broken and then I found this post which told me where the thing was! Copied over the authorization file from my MacBook and hey presto! 😀

  2. Thank you so much! I have searched for solutions everywhere and all of the suggestions to solve the blue screen problem didn’t work for me. Thankfully, I viewed the log file and saw the error you mentioned, googled it and found your site. It solved my problem. I saw another file authorization,(comma) and used that. Now my macbook air is back to normal(a guy from apple service center suggested to replace the logicboard, thankfully i didnt follow)

  3. IT WORKS!!! THANK YOU VERY MUCH!!!!
    I lost 2 hours to resolve that problem before I found this post.
    thank you again

  4. I just wanted to say thank you. Thank you so much for this information! It really helped me out a lot. While actually finding an operating system that would both mount my OS X HDD as writeable and also show all files was a huge pain, your information was 100% spot-on, and I cannot thank you enough for the help that you provided. My Snow Leopard installation now boots successfully again.

    Cheers buddy!!!

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