Answer from Yahoo

Answer from Yahoo, received on Jan 24, 2006 6:30 PM, to my question below

Thank you for writing to Yahoo! Web Hosting. I hope that this email will help answer your question.

Please note that sometimes you will have to reload a page due to ISP
latency, browser issues or server load.

Customers have an option when installing a blog to either be notified
when an upgrade is available or to have their blog automatically
upgraded when the new version is available through Yahoo!.

Please do not hesitate to reply if you need further assistance.