I hear you say:
Ever since Linux seized up and I restarted the system it has been a nightmare.
I will recommend you try a different distro this time around, things like Ubuntu, Mandriva, PCLinuxOS, etc. are very good choices --- all available by clicking on a download button, waiting for a while, burning onto a disc, and doing the install. For example Ubuntu is at:
As said above, do not worry uninstalling a distro, just back-up your personal stuff such as documents, bookmarks, etc. and simply overwrite the distro.
Best of luck...