It’s a little windows utility that resides in the system tray with
on board dictionary. It monitors everything you type and beeps
when it detects a spelling error. The good thing is that it doesn’t
matter what program you are running even if it doesn’t have

a spell checker.

I installed it on my computer, even though I think I don’t need
it and tested it and it works really well.

Of course it won’t pick up words like write and rite, because
they are both real words, but it should improve things.

I found it on a forum recommended by this guy.

http://www.tinyspell.m6.net/