Input source language keeps changing on Mac OS X 10.9.4

Well, I actually resolved this problem in the following way.

First, this problem of language when booting didn't occur on my two other iMacs (both running 9.4), only on my MacBookPro.
Second, MacBookPro had a problem when Mavericks was updated from 9.3 to 9.4 : on one of the accounts, some Apple apps were no more activable (Preview, iPhoto, iTunes). Strange, isn't it? So I had to create a new account with the personal folders...
All this to point out there had been problems when installing 9.4 on MacBookPro.

How I finally resolved ?
I re-installed 9.4 (alt-R on restart) and now, 10 hours later, everything seems OK : good localization when booting and switching accounts, all the apps seems to run fine everywhere...

' Hope it will work for you too !

You think mine is also a bug?

It's certainly a bug, though in just what is not clear.

There is an apple place up the road from me that do repairs and the like, think my best bet is just to bring it in?

I'd be surprised if that availed anything.

Hi guys, I've got the same problem.

I've tried reinstalling (twice), and for one or two weeks it looked like it was finally fixed, but now it started to do it again.

That means that every time I turn on my MacBook (mid 2009, Mavericks) I have to reinstall the 5 input sources I regularly use.

I had to reinstall twice, because the first reinstall didn't solve the problem. The second one lasted, as I said, about two weeks.

Also, on my second reinstall I selected the input sources right during Mac Os X install, so even before the Os was actually installed.

I was hoping that it was fixed once and for all, but now I see that the problem persists. I really hope Apple fixes it, it's becoming annoying.

In short, reinstalling didn't really fix it for me, except for a short time only.

Hi, GMC.

I'm sorry these re-installations didn't work for you.

My re-installation of Mavericks 9.4 three weeks ago still works well; and what about you, Gaeluirbeach?

But, GMC, do we talk of the same problem? What do you mean by « I have to reinstall the 5 input sources I regularly use » ?

Gaeluirbeach and I were concerned about the keyboard being proposed by MacOS when starting a new session;
do you really mean you need to use 5 different localized keyboards?

Yes, I do. I do use five input languages: Italian (which is the original language of the MacBook keyboard), Hebrew, Arabic, Greek polytonic and U.S. extended which has different diacritical signs I use for other languages written in the latin alphabet such as German and Polish.

Everything used to work perfectly in Leopard and Snow Leopard, but since I upgraded to Mavericks, every now and then the system only presents the U.S. (not even extended) input source, and that's when I have to reinstall all of them again, and remove the default, non-extended one.

It's a small annoyance but an annoyance nonetheless.

I usually have my MacBook connected with an external mouse, keyboard and monitor.

The only thing that changed in the last weeks is that yesterday i used my computer alone, disconnected from all external peripherals, and today I had this problem again, after weeks.

Maybe it's just a coincidence, but disconnecting the external keyboard is the only thing I did recently that could be vaguely related to input sources, and something I never did while the whole thing was working fine.

Correlation doesn't imply causation, but I'm out of ideas right now. Reinstalling didn't work, and neither did other solutions I found on the Internet.

Ive just done the system update (feb 03 2015) as suggested and am now having the problem continually reverting to the USA keyboard, never had a problem till now!

I followed the instructions, however, when clicked on 'Show Info', a popup window shows saying 'The operation can’t be completed because the item can’t be found.'
What is the problem?

Same problem here. Keyboard is changing from German to US after every restart - and the German keyboard even disappears and I have to re-install it every single time.

I've checked the following and everything seems to be fine here...

~/Library/Preferences/com.apple.HIToolbox.plist