Trouble installing EPiServer Mail
When installing EPiServer Mail 4.4 SP1 my Deployment Center gave the error message "Invalid character in the given encoding", stopped and rolled back.

When installing EPiServer Mail 4.4 SP1 my Deployment Center gave the error message "Invalid character in the given encoding", stopped and rolled back.
I was unable to install Vista Service Pack 2 but after a number of tries finally found what the problem was.