Instead of downloading 12.8 as Peter suggested I reinstalled Mojave but there 
is no change.  I have noticed, however, that if I import a track from a CD 
iTunes will not play it unless I change the import settings from MP3 to AAC.  I 
will gently continue playing around with settings etc. as I would like to solve 
the problem. I am not too concern as I have most of my music imported and there 
is no trouble playing that, only the occasional unimported CD track is not 
immediately available and I very seldom want to access these.
 
Happy New Year to all WAMUGGERS

Barry

> On 28 Dec 2018, at 10:33 am, Barry Sexstone <[email protected]> 
> wrote:
> 
> Many thanks Peter, I will probably try this over the weekend.
> Barry
> 
>> On 28 Dec 2018, at 7:36 am, Peter Hinchliffe <[email protected]> 
>> wrote:
>> 
>> 
>> 
>>> On 27 Dec 2018, at 12:01 pm, Barry Sexstone <[email protected]> 
>>> wrote:
>>> 
>>> Progress (of a sort).  I have borrowed a Macbook Air and the CD player 
>>> plays CDs through this quite happily.  Operating system on the Air is 
>>> 10.14.1 (iMac 10.14.2) and iTunes is 12.9 (12.9.2.5 on the iMac)
>>> The problem therefore appears to be with iTunes probably being corrupted on 
>>> the iMac.  Any advice on how to reinstall iTunes without having to 
>>> reinstall the OS.
>>> Thanks
>>> Barry
>>> 
>> 
>> It looks as though Apple do not yet offer a standalone installer for iTunes 
>> in Mojave. The only way seems to be to reinstall the OS.
>> 
>> If you visit https://www.apple.com/itunes/download/ you can download the 
>> earlier version 12.8. It might be worth installing this, then wait for 
>> iTunes to recommend the update.
>> 
>> 
>> 
>> Kind regards,
>> 
>> Peter Hinchliffe        Apwin Computer Services
>> FileMaker Pro Solutions Developer
>> Perth, Western Australia
>> Phone (618) 9332 6482    Mob 0403 046 948
>> --------------------------------------------------------------------
>> Mac because I prefer it -- Windows because I have to.
>> 
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