Yes I am aware of the difference between permissions and ownership and that is why one of the first things I did after installing Windows 7 was to take ownership of my C:\folder including all
sub folders. In any event this will not help me with my problem as the 'service' that is causing the problem is not associated with a folder. If you would like to see the size of the problem in respect of re-assigning permissions or ownerships of a Windows 'Service' then please visit this site:
You will see the degree of difficulty and the large risks involved and no guarantee of success.
I will not go down that particular road.
I can let you know that the CHDSK produced no results. I think I am going to leave this Forum at this stage but will leave it open so that If and when I fix the problem I can report back.
I once more express my gratitude for all the support and contributions made. I know from years of experience of using this Forum that everyone does their very best to help and it is very much appreciated.