If you have a problem that you aren't ready to go to support for, but would still like advice on, what do you do? Check out the VA Smalltalk forums, that's what.
It can be tedious to create the snapshot records for metacello configurations - fortunately, there's a little Pharo package that takes the drudge work out of it for you.
In Pharo, like any other Smalltalk, it's quite common to have a lot of windows open - especially browsers. Fortunately, Pharo has a feature that makes it a bit easier to sort all of that out.