The outlook homepage idea actually works pretty well. It would be ideal if you could only show the specific webpart instead of the entire page.  Cheers H 

I received this same error on a couple occasions.  It can occur when you modify any of the properties and attempt to save. The solution that K2 gave me was to remove and readd/configure the Webpart.  Not the best solution by any means but it worked for us.

What I would like to do is display an item's 'due date' in the SharePoint worklist web part, so the user can sort by when items are due with more granularity than just the priority of the items.  The due date of an activity is custom based on an xml data field (some processes are 30 days before this value, others 40 days, etc.).  I can ...

How can I show Involved Process in WorkList?

How can I show list of activities started by me in WorkList?