OK, here is the way to reproduce the problem (with screenshots)
- Create a new file an paste this piece of code :
aaa TestFind bbb
ccc TestFind ddd
Now select the text TestFind on the first line

Press Ctrl+F

Press Enter key to find the text => you should find TestFind on the second line
See screenShot

Now select the text Test on the fisrt line

Press Ctrl+F

and press Enter => you stay on the first line
Press F3 to go to the next occurence => Nothing happen
Can you reproduce it?
If yes, do you want me to add this problem on BerliOS?
For information, I am using C::B on windows 2000 sp4
Thanks and have a nice day.