...with the freezing of Google Chrome. I don't know why it kept doing it, but I finally dumped it for Firefox. I did try a number of fixes, including at least two virus hunts - all failed after I did routine maintenance and started up the search engine again.
The only problem was the loss of all my bookmarks [insert much cursing] and I have to remember them and re-bookmark; I'm sure I shall fail.
Now, I shall get back to the remembering.