Microsoft Dynamics AX 2009 AOS service terminated with Error Code 90

I have copied an application foloder to another instance, and I could not start the AOS service and getting this code “service terminated with Error Code 90″. I found this blog post http://axblog4u.wordpress.com/2010/09/15/dynamics-aos-5-0-service-terminated-with-error-code-80/  I followed the instructions there, un-mark Read Only on AX folders, in addition to check files securities. And finally it works out. [...]