gives info on both installing and uninstalling your drivers. The Ndiswrapper people also say that you shouldn't use the drivers from your cd, that you should use the drivers from their site - apparently the cd drivers don't always work. They can be found here
- I think your card is number 6 on the list.
has hints and tips for problems specific to particular distributions and the FAQ
has troubleshooting hints.
Your kernel (never mind your distro) is woefully out of date and both are, I believe, no longer supported - this means that you will get no updates or security fixes. If you are a fan of Red Hat, could I suggest you get the latest version of Fedora
? It comes with a more up to date kernel, which means that your hardware is more likely to be supported. The latest stable vanilla kernel version is 18.104.22.168, I think Fedora has that kernel or a nearer number.