Man, I am on a ROLL with this distro....Here I am, trying to install the gcc packages from the install CDs...Turns out I need disc 4 to complete the install and I never burned it...so I uninstalled the packages that did make it on, then thought "hey, I can just mount the images that I downloaded for the other discs". I open the terminal and go to Firefox, google "Mount ISOs with Linux" (I can't remember the command to mount isos), copied the results from this forum, then when I right-clicked in the terminal to paste the entry, the terminal closed...odd...when to open it again, and it said "Error misformatted .desktop" or something to that extent...very odd....so I log off (accidentally hit logoff instead of restart) and I am dumped back into runlevel 3...instead of going back to the login screen. Even more odd..so I reboot, and when I tell GRUB to boot to SuSE Linux 10.1, I get "Error 25" when trying to boot...what the hell did I do? I just copy and pasted something into the terminal! Windows loads just fine btw. It's on the same hard drive (The bootloader is installed on the MBR of the second hard drive)

Grub error 25 means the menu.lst is corrupt, as you can load windows have you tried to load Feodora or kubuntu? Im not sure what you've done to corrupt grub but you need to post a copy of
fdisk -l /dev/hda (change hda to your hard drive)

and also a copy of /boot/grub/menu.lst

If theres not a lot of data sometimes its quicker to reinstall a linux distru as it only takes 30 mins or so on a modern computer.

Kubuntu is on my brothers computer and Fedora is on my file server, so I guess I will just re-install. Rather strange for the menu.lst file to become corrupt considering I wasn't accessing that file at all. Oh well. At least I didn't really accomplish anything that can't be repeated in a few minutes anyways.

EDIT: I attempted to boot it again to see the exact error it gave me, and it turns out to be error 15 which is a missing kernel image? That's odd....back to the install discs!

Error 15 is a kernel error, I have a multiboot system (7 linux distros, FreeBSD and XP) so I see this a lot and always its a typo when I add a new linux system and mistype the kernel image.

Depending on your experience level you can edit the kernel name or reinstall. HTH