[Black_Angus]

I've been using NavPlan for sometime now without problems. Of a sudden I receive an error message "Input string was not in a correct format". I've tested it on a second PC with the same result, re-downloaded, etc. Any ideas?

Note: I use HSFX.

[{HVY-E}Jinxx]

Check and see when Windows did it's last auto update and what it was. See if the time line corresponds to when you started having problems.

That has been my problem in the past when programs suddenly start acting up.