PBEM Issue: XP to Vista?

[seabolt]

As some of you know, I had a virus on my old desktop. After reinstall, SPWW2 performed poorly, but it was no big deal because I've demoted that unit to print server and purchased a new laptop.

Said laptop finally arrived. SPWW2 performs fine, only when I transport over PBEM saved games they refuse to load.

The old unit was XP; this one is Vista.

Anyone familiar with this issue and how to salvage the ongoing games? They're mostly the tail end of tourney games, so it's sort of important.

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