You can't open the application "..." because it is not supported on this type of Mac.

andyBall_uk wrote:

Does a Finder-Get Info on the this file show a checkbox for open in 32 bit on ML ?

/System/Library/CoreServices/Installer.app/

I'm not sure where the checkbox is. But here is the screen capture of GetInfo dialogue.

Ralph Johns (UK) wrote:

HI,

Mine does have the 32bit option

However some of the dates on yours are different to mine.

The Created and Modified Dates are different.

I would be tempted to Download and Install the COMBO version of the OS X 10.8.2 update over what you have.

8:14 PM Wednesday; December 19, 2012

Please, if posting Logs, do not post any Log info after the line "Binary Images for iChat"

 iMac 2.5Ghz 5i 2011 (Mountain Lion 10.8.2)
 G4/1GhzDual MDD (Leopard 10.5.8)
 MacBookPro 2Gb (Snow Leopard 10.6.8)
 Mac OS X (10.6.8),
 Couple of iPhones and an iPad
"Limit the Logs to the Bits above Binary Images."  No, Seriously

I already have 10.8.2. Is the combo something different?

http://support.apple.com/kb/DL1580

http://support.apple.com/kb/DL1581

softwater wrote:

OK, a bit of research suggests that this error occurs when you try to open Macport package on machines running in 32bit mode.

Have you somehow changed either this app or your startup disk to 32 bit mode? Again, I can't help wondering whether these two accounts that you are talking about are really on the same startup disk (you still haven't confirmed that). Perhaps, you changed from 64 to 32 bit between changing accounts. Did you restart and hold down the 3 and 2 keys, for example?

In any case, ensure your machine starts up in 64 bit mode by running this command in Terminal or restart and hold down the '6' and '4' keys when powering on.

sudo systemsetup -setkernelbootarchitecture x86_64

Further info see http://support.apple.com/kb/HT3773

The two accounts use the same startup disk. I think my machine run on 64bit as I can see all my 8 GB memory. But I tried the following command (I restarted the machine after running 'systemsetup'). And it did not solve the problem.

~$ sudo systemsetup -setkernelbootarchitecture x86_64

Password:

setting kernel architecture to: x86_64

changes to kernel architecture have been saved.

~$ open ~/archive/software/MacPorts-2.1.2-10.8-MountainLion.pkg

The application cannot be opened because it has an incorrect executable format.

Barney-15E wrote:

In your account, select one of the packages and Get Info (cmd-I).

In the Open With section, browse for Installer which is in the Macintosh HD/System/Library/Core Services folder.

Then click Change All…

It sounds like it is pointing to the wrong installer application.

It doesn't help.

Barney-15E wrote:

Can you open the Installer application?

If so, can you select one of the package files in the Open File Dialog? Does that work?

I can not open the Installer application. It says:

You can't open the application "Installer" because it is not supported on this type of Mac.

Barney-15E wrote:

Very odd. Has to be something in your account that is making it act funny.

Open your user Library by going to Finder, hold down Option (alt) key and select Library from the Go menu.

Open the preferences folder and delete com.apple.installer.plist.

Then, try again.

It doesn't work. I even tried to remove the whole Preferences directory, and it doesn't work either.

softwater wrote:

Are these two accounts both on the same boot/startup volume?

If yes, do me a favour and list the contents of your Login Items for the account in which .pkg files won't open. You can find the list by going to

 > System Preferences > Users & Groups | Login items

I have the following Login items in the account where the installer can not be opened.

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