During upgrade of LR5 to LR6 at 99% complete of the install this message appears "Adobe Application Manager Quit Unexpectedly" Adobe Support has suggested different options but nothing has helped. I have LR5 and LR6 both with Serial Numbers and during the install process everything seems to run correctly until when the installation reaches 99% complete and then I receive the message. Same results over and over.
If the previous solution does not resolve the folder permission issue, try this easy-to-run, shell-script-based solution explained below. This shell-script automatically restores the ownership and read/write permission, and it removes Access Control List (ACL) from the set of Adobe user folders and its subfolders.
To run the shell script, do the following: