If the process only takes a second or two and if there is no evidence of data problems, I suggest accepting the inconvenience and moving ahead.

I know you would like the mystery resolved so my answer won't be a popular one. But there are many things about Word and Excel that I have learned to live with. And as long as those things don't impede my work, I try to focus on the ways that I can use the tools better. Adagio is like that - the OE module has lots of features that can improve your daily processes. And if you are on the Upgrades plan, install OE 8.1B and see the new features.

On the other hand, if you really want to solve the mystery, ask your local Adagio reseller to help diagnose the circumstances.