can't save game

[Incinerator]

The title says it all.

If I try to change the directory the game saves in, I get a list of the drives on my computer. If I click on any of those drive letters, it does nothing. If I try to save, it says: "Game Save Failed".

This happens EVERY time I try to change directories, and it stays there until I restart the game. Which basically means I lose all my changes.

Any ideas?