Here's what I did:
Now, even if I:
Can anyone help me?
An answer from Unni, a PM on Blend:
I think this is a bug we have fixed for Blend 4.
For Blend 3, the only workaround I can think of is the following: go to the equivalent of this folder on you computer and delete user.config. WARNING: Do so will get rid of your settings and hence you might be annoyed by a few dialogs etc. that you had previously suppressed.
C:\Users\username\AppData\Roaming\Microsoft\Expression\Blend3
To be safe, I would copy the file elsewhere before renaming so you could replace it if that did not work out for whatever reason.
THanks,
Unni