I started with a problem that all my excel files would open in the same excel
run. I did a few things to fix that through control panel/folder
options/advanced/open. I think that got fixed but then each file I opened had
a series of errors. Each space in any path or file name gave a message that
the file wasn't found. Then sometimes the file would eventually open,
sometimes not. Seems that once it got opened once, I could reopen it but if I
halted Excel and started over, the same happened.

I went back and reversed all the changes I made in folder options.

This seems to be happening immediately after installing a MS update and
restarting.

Frustrating. thanks for any help.
Kozmo