>>And the help file isn't, perchance, on a remote computer, accessed over the network? A recent Windows security patch made those inaccesible by default.
>Nope, it's a local file.
Sorry, no further ideas. Perhaps your help file is corrupted, or the program that reads CHM files; perhaps simply resetting the computer will help. But the truth is, I really don't know what is going on.
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)