I have exactly the same problem. I have managed a way round it by using a gmail calendar which adds the entry to Outlook. If it is any help, the problem appeared suddenly overnight between 8th & 9th November. It was working fine when I closed for the day on the 8th but when I opened up on the morning of the 9th the problem was there. Alan W More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.