Hmmm... Interesting. That means, I THINK, that it's not even searching for the relevant string, but just reverting to an earlier state of status menu, or going by line numbers - "I added the entry at line x, so delete everything starting from line x".

Wonko, I'll do my best to find the time to look at the install-related stuff over the next week or so, and see if I can submit a patch to you to fix this, assuming you don't get around to it yourself, and no one else more competent does it.