I recently had to restore my 1st gen MBP. I recovered essentially all of its files: Users, Library, and Applications, because I wanted to be able to restore things just as they were, without having to re-install 20 apps and change the settings again on 50. I followed Apple's instructions on how to restore "Users", but that's all that they instruct for. I know that restoring my system library is what led to the following problems, but i have virtually no Terminal knowledge and would like to know if there are things i can do to fix these issues: --I very often get asked for the system keychain password. I know exactly what it is, but it denies me every time. Once that window goes away (even with 'cancel') most things seem to run fine. But i often have to enter other passwords later. --My wireless networks are not automatically accessed (i think this is related to the previous issue) until i choose one of them. At least it doesn't ask me for the network passwords every time. --Sometimes if i right-click on an image to open it in Preview it gives me two preview programs to choose from, but only the older one opens. I only have one 'Preview' in Applications. There are others, but most of them seem to relate to the keychain problem. I'm hoping that there's something similar to the -chown stuff i did to recover 'Users' to fix this. Help?