>>>>I have somehow managed to set a table to read only. How do I set it to read write, please.
>>>
>>>USE tablename EXCLUSIVE
>>>
>>>in case you need to edit the structure or ZAP it
>>
>>thanks but it did not solve the problem. 'Read only' remains in power
>
>Is this table part of DBC?
>
>If not and, suppose, you copy the files into another folder, is it still read-only? Did you check files properties in Windows Explorer?

A little update of information. The problem was in the registry. Avast picked up the problem when I had it do a registry scan. I deleted the offending registry items and the problem disappeared.