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Question: Why can't I install OS X Yosemite 10.10.5 Combo Update?

Trying to install OS X Yosemite 10.10.5 Combo Update on my 4.1 Mac Pro running 10.10.5 I get an error:

"Does not meet the requirements" What? Plenty of space a. memory.

For many years, when things did not work right I (re-) installed the Combo by the same number a. all was well again.

Thank you for your time and input.


Mac Pro, OS X Yosemite (10.10.5), 22 GB RAM

Posted on

Reply
Question marked as Solved
Answer:
Answer:

Since I got no solution to the above I kept researching and found the explanation to prevent people from going through my ordeal:

If you are up to date with Apples security updates you won't be able to install the 10.10.5 Combo because of below:


David Empson posted on MacInTouch on 1.7.16

I've just answered a similar question on Macintouch, in that case with

reference to the 10.8.5 combo update not being installable any more.

Checking the details for 10.10.5...

Yep, same answer.

1. The installer script for 10.10.5 combo requires the target system be

running an OS X version 10.10.something (less than 10.10 or greater than

or equal to 10.11 is excluded). You are on 10.10.5, so OK so far.


2. The installer script also requires the target system be running build

14A388a or later, and build 14F27 or earlier.


10.10.0 general release was 14A389, so the 14A388a cutoff is presumably

the final public beta or developer gold master - anything earlier would

need a full install of 10.10.0 or later to be able to update to 10.10.5.

10.10.5 general release was 14F27. The combo update will not install if

the system build is greater than 14F27.

The latest security update for Yosemite (2015-006) sets the system build

to 14F1509, which is greater than 14F27.

Conclusion:

At some point, a post-10.10.5 security update has incremented the system

build number, which prevents the 10.10.5 combo update from being

reinstalled.

The most likely reason for this is that the changes in the security

update meant reinstalling the combo update would leave the system in a

broken state, so Apple deliberately increased the build number to

prevent the user breaking their system.

The same rule applies recursively for subsequent security updates,

preventing reinstall of earlier ones (once over the critical point where

the combo update isn't safe, Apple might as well keep incrementing the

build number with each security update, making it easy to tell which

update was the last one installed).

If you really want to reinstall 10.10.5, you can still do so using the

full Yosemite installer (which will set up new System and related

folders in the process, so incompatible changes from later security

updates are not relevant). --

David Empson

dem...@actrix.gen.nz

Posted on

Question marked as Helpful

Mar 13, 2018 9:00 AM in response to Walter Wedler In response to Walter Wedler

It should install. Try installing in Safe Mode:

Use safe mode to isolate issues with your Mac - Apple Support

If it's a Combo you downloaded a while ago, try this Combo, it may be a certificate issue:

Download OS X Yosemite 10.10.5 Combo Update

Question marked as Helpful

Mar 16, 2018 9:53 AM in response to Walter Wedler In response to Walter Wedler

If you read through the install log does it not give you an indication of what the error is?


You could download this, http://etrecheck.com/ and post the report back here, it gives a snapshot of your Mac and is useful in diagnosing what may be causing problems.

I had a similar problem where I could not install a Combo update to my High Sierra install with a similar error message, the only way to resolve it was to wipe the disk, reformat and re install the OS.

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Question marked as Helpful

Mar 13, 2018 9:00 AM in response to Walter Wedler In response to Walter Wedler

It should install. Try installing in Safe Mode:

Use safe mode to isolate issues with your Mac - Apple Support

If it's a Combo you downloaded a while ago, try this Combo, it may be a certificate issue:

Download OS X Yosemite 10.10.5 Combo Update

Mar 13, 2018 9:00 AM

Reply Helpful (1)

Mar 13, 2018 8:52 AM in response to Limnos In response to Limnos

The OP is having a problem that he is trying to solve by using the Combo Update.

"For many years, when things did not work right I (re-) installed the Combo"

The Combo Update is a fuller install, as opposed to an incremental "delta" update, so it should overwrite any files that are damaged or missing. It does not matter if you have applied it before.

Mar 13, 2018 8:52 AM

Reply Helpful

Mar 13, 2018 11:00 AM in response to Walter Wedler In response to Walter Wedler

Lets see, in Finder click on Go and enter this /private/var/log press Go, a new Finder window will open.

Scroll down to you see install.log drag it to the Desktop. The original will stay in its location so now Control-click on it and then click Move To Trash. Now restart the Mac and then try to install the Combo again, a new install.log will be created. When you get the error again, go back to Go To Folder and find install.log, Control-click on it then Open With and select Text Edit. Go through the log to see if there is an explanation of the error other than what you see in the Installer app.


One other thing have you tried running Disk Utilities Verify on the HD to see if there are any errors there.

Mar 13, 2018 11:00 AM

Reply Helpful

Mar 13, 2018 5:40 PM in response to Eau Rouge In response to Eau Rouge

Thank you Eau Rouge.

I'm having major problems to use this site!! None of the Reply buttons worked for hours!

I tried to chat with Support. I could not even type in their chat-window! They said it does not

work with my old Mac or system! I might not be able to come back to you.

Here is what I did following your instructions:

I tried next:

verified disc: no problem

Fixed Permissions

Reinstalled a. got the same “requirements” error

saved the part of my install log

got the new install-log but I don’t understand what that all means.

Mar 13, 2018 5:40 PM

Reply Helpful
Question marked as Helpful

Mar 16, 2018 9:53 AM in response to Walter Wedler In response to Walter Wedler

If you read through the install log does it not give you an indication of what the error is?


You could download this, http://etrecheck.com/ and post the report back here, it gives a snapshot of your Mac and is useful in diagnosing what may be causing problems.

I had a similar problem where I could not install a Combo update to my High Sierra install with a similar error message, the only way to resolve it was to wipe the disk, reformat and re install the OS.

Mar 16, 2018 9:53 AM

Reply Helpful (1)

Mar 16, 2018 9:52 AM in response to Eau Rouge In response to Eau Rouge

Thank you Eau Rouge for reminding me of EtreCheck which I had and ran:

After I put my problem into EtreCheck:


Problem: Other problem

Description:

Will not install osxupdcombo10.10.5

“Drive does not meet the requirement.”


The EtreCheck report red-marks three items:


Configuration files:

/etc/sudoers, File size 2299 but expected 1275


Launch Daemons:

[loaded] jp.co.canon.MasterInstaller.plist (2017-03-30) [Support] - /Library/PrivilegedHelperTools/jp.co.canon.MasterInstaller: Executable not found!


User Launch Agents:

[failed] com.apple.CSConfigDotMacCert-[...]@me.com-SharedServices.Agent.plist (2011-07-22) - /System/Library/Frameworks/CoreServices.framework/Frameworks/OSServices.framewo rk/Versions/A/Support/CSConfigDotMacCert: Executable not found!




I have no idea what that means or what to do about it.

Thank you for your help.

Mar 16, 2018 9:52 AM

Reply Helpful

Mar 16, 2018 10:32 AM in response to Walter Wedler In response to Walter Wedler

The error message about your Cingiration files is the only one that matters.

Here is what Etresoft has to say and steps to follow:

Fixing a hacked /etc/hosts file

Don't be daunted, it basically means that some piece of software isn't running correctly.

Mar 16, 2018 10:32 AM

Reply Helpful
Question marked as Solved

Apr 10, 2018 5:12 PM in response to Walter Wedler In response to Walter Wedler

Since I got no solution to the above I kept researching and found the explanation to prevent people from going through my ordeal:

If you are up to date with Apples security updates you won't be able to install the 10.10.5 Combo because of below:


David Empson posted on MacInTouch on 1.7.16

I've just answered a similar question on Macintouch, in that case with

reference to the 10.8.5 combo update not being installable any more.

Checking the details for 10.10.5...

Yep, same answer.

1. The installer script for 10.10.5 combo requires the target system be

running an OS X version 10.10.something (less than 10.10 or greater than

or equal to 10.11 is excluded). You are on 10.10.5, so OK so far.


2. The installer script also requires the target system be running build

14A388a or later, and build 14F27 or earlier.


10.10.0 general release was 14A389, so the 14A388a cutoff is presumably

the final public beta or developer gold master - anything earlier would

need a full install of 10.10.0 or later to be able to update to 10.10.5.

10.10.5 general release was 14F27. The combo update will not install if

the system build is greater than 14F27.

The latest security update for Yosemite (2015-006) sets the system build

to 14F1509, which is greater than 14F27.

Conclusion:

At some point, a post-10.10.5 security update has incremented the system

build number, which prevents the 10.10.5 combo update from being

reinstalled.

The most likely reason for this is that the changes in the security

update meant reinstalling the combo update would leave the system in a

broken state, so Apple deliberately increased the build number to

prevent the user breaking their system.

The same rule applies recursively for subsequent security updates,

preventing reinstall of earlier ones (once over the critical point where

the combo update isn't safe, Apple might as well keep incrementing the

build number with each security update, making it easy to tell which

update was the last one installed).

If you really want to reinstall 10.10.5, you can still do so using the

full Yosemite installer (which will set up new System and related

folders in the process, so incompatible changes from later security

updates are not relevant). --

David Empson

dem...@actrix.gen.nz

Apr 10, 2018 5:12 PM

Reply Helpful
User profile for user: Walter Wedler

Question: Why can't I install OS X Yosemite 10.10.5 Combo Update?