Auto Text Language keeps changing to English (US)

Forum: SDL Trados support
Topic: Auto Text Language keeps changing to English (US)
Poster: jimshanks

Hi all,
I have a Dutch to English UK project and no matter how many times I change the target language under Options, Auto Suggest, Auto Text to English (United Kingdom) it keeps changing itself back to English (United States).
This leaves the Tools, Add auto text entry option greyed out (and the Alt F7 inoperable).
I am using a couple of TMs in the project and have checked the settings to ensure that they are all Dutch to English (United Kingdom).
How can I make sure that the default setting for Auto Text is English (United Kingdom) and get it to stay that way so that I can use this feature.
I am sure it must be something silly I have done as it has only recently stopped working, but cannot work this one out.
BTW,
If I create a new project using different files but a UK English TM the Auto Text default language still shows up as English United States! And it also changes itself back after I have changed it to English United Kingdom.
Thanks
Jim