Megaspaz has your answer.
Your lucky you didn't compile that app from source.
When your uninstalling RPM's, 99% percent of the time there's going to be dependcies that have to go with it.
If your unsure of the full name of the package installed but some of it, you can login as root and cd to the / directory and issue "find / -name apach* (Apache-1.3.28 for example is the actual file) but I wasn't sure if it had 2 e's or 1. This will scour the whole file system finding every file that starts with apach.
Now you'll have the correct name and the path to get to the package.
Now you need to find all of its dependencies as well.
cd to the (in my example) Apache-1.3.28 directory and issue rpm -qil <file name) without the .rpm on the end that is
