Where is Library/Application Support/Address Book in Time Machine backup ???

I have same problem that whole Application Library folder excluded from the backup. After some investigation, I found this: macos - On OS X, what files are excluded by rule from a Time Machine backup? - Ask Different

Some files marked as 'excluded' by some applications automatically, and we never know about this. I think that's what happened to your Address Book folder.

Try opening that folder on your Mac, then select Enter Time Machine from the menu bar:

The ~Library folder effective with Lion 10.7.x

See

http://pondini.org/TM/15A.html

Apple hides the ~/Library folder (meaning the Library folder inside your home folder), from users, apparently to protect us mere mortals from messing with it. That's kind of a problem when we needto.

To see it on a Finder window before entering Time Machine, hold the Alt/Option key while selecting the Go item in the menubar. That will produce a list of common places, including Library (about halfway down). Or, press Shift+Cmd+G and type ~/Library in the prompt. That will show it in the Finder window, and also in the Finder windows once you're in the "Star Wars" display.

If you forget to to do that first, once you're in the "Star Wars" display, press Shift+Cmd+G and type~/Library in the prompt.

(To make it visible permanently, on a "normal" Finder window, drag it into the sidebar.)

Yes, you SEE Library, but it is not "YOUR" Library. The one you see is for all users, not just your user. You have to go into YOUR user Library.

To get to YOUR Library, SEE the info you IGNORED above.

Are you able to go to earlier backups in Time Machine?

Those aren't the same folders. The top is your user folder and the bottom appears to be /Library.

You've cut off the full path, so I can't tell for sure. Are you entering TM with your user library open, or are you trying to navigate there after entering TM? It's much easier if you have it open in Finder before you enter.

As to deleting an app, especially a system app, I think that is bad advice. Also, it doesn't sound like you finished the instructions by installing the combo update. Installing a combo update may repair the damage you caused to the system. It doesn't matter that you already have that version installed; it will reinstall al the previous updates. If the App Store was in one of the previous updates, it will get repaired.

My apologies. I've got my threads mixed up re deleting apps. Now I've got to figure out where that was supposed to go.

The multiple libraries are confusing, and hiding the user library didn't help matters.

There are three Libraries. One for the OS, one for all users, and one for each user.

The Time Machine backup does appear to be a mirror, but it is not quite. However, that doesn't change what you are seeing and what you are doing.

Those two screen shots are not the same folders. One is a user Library and the other is the all users Library.

You can obviously get to your user Library since you are displaying it above. Once you do that, don't change a thing. Just Enter Time Machine. It should open to that same folder. You can confirm it is your Library because it will be inside your Home folder. The All Users Library is inside the root of the hard drive (Macintosh HD).

savita88 wrote:

The problem is - I cannot enter the same Library folder in the Time Machine backup. If I am there in the computer and do "enter Time machine" - I see exactly the same folder as before, updated today, not from the backup, only the background changes

Sorry. I don't understand. What's the "same" folder. You user Library folder or the main all users Library?

If you don't see any backups beyond the current, then you need to repair your Time Machine backup disk in Disk Utility. http://pondini.org/TM/A5.html

However, i don't know if that will help. It just might not have backed it up.