There appears to be an odd checksum problem in Postgres when using 32bit-driven databases in a 64bit Postgres. I updated the Postgres download with a new upgrade readme (the installer hasn’t changed) with some extra steps for transitioning from 32bit to 64bit operation.
“The beast is actively interested only in now, and, as it is always now and always shall be, there is an eternity of time for the accomplishment of objects.” – the wisdom of Tarzan