wpmu Dashboard disappeared!

My network admin wpmu dashboard is suddenly missing! What dunnit?

-changing site URL by deleting www?

-installing 3.2.1 update via wp admin and getting error message ?

-uploading 3.2.1 to plugin folder via ftp, then deleting old plugin?

-other?

Dashboard Version 3.2.1 is now network activated but network admin wpmu dashboard not there.

Please help.
thanks
Diduwin
http://trikkeworldmagazine.com/