Not knowingly (or intentionally).
Just rebooted, and, whilst the situation in the Documents folder remain restricted, the 'parent' folder (User) has all the previous display (and sort) options available.
I've tried (all?) the option windows, but cannot see which might lead to restoration of these choices.
I'm currently investigating the possibility of copying my documents over to 'Public - Documents' which does have the full range of display/sort options available.
I've checked the Windows Update(s) and they were 'merely' Defender definitions.
I think I've solved my problem (though not why it occurred):-
Under (right click) 'Sort by' there is a 'More . . .' option, which contains a list of many attributes. Only 'Name' was ticked, whereas the Public - Documents folder has "Name, Date modified, Type, Size, Tags" checked.
I have tried a random couple and this has extended the choices available under 'Sort by', so, for whatever reason the 'More' list appears to have been truncated, and I will now restore those which appear in the 'Public - Documents' folder.
Thanks - I hope this helps anyone who may encounter this (frustrating) problem.
Last edited by JackHowe; 17th October 2007 at 11:28.