fix computer errors

General Trouble Shooting:
The computer is 2 years old(out of the box)
It is a Tiger Direct and has never had 1 issue. I do not have or know the specifications(SORRY)
The fans operate fine
I dusted/air dusted – nothing feels hot.
I disconnected everything but the monitor.
Then I disconected everything but Monitor/Keyboard and mouse.
The hard drive is not making any strange sounds
The computer has had NO recent issues. 6 hours ago I downloaded a program from a trusted site(Kodak). I rebooted the computer. THE ERROR(issue): right passed the xp load screen the computer reboots(the damn thing self reboots). Any safe mode option I choose the same issue persists(safe mode does not load it reboots).
However, when I attempt to boot any safe mode option I get an error of the following nature:
multi(0)disk(0)rdisk(0)partition(1)\wi…
These errors scroll down my screen, I then obtain an error about SPTD
(then the damn thing reboots)
The same thing happens if I press f8. When I press f8 I receive multiple options:
Safe Mode
Safe Mode Command Prompt
Safe Mode . . .(Etc)
System Restore
(error boot log/boot log – I do not recall exact prompt name)
Disable system restart on error(do not remember exact name)
When I try any of these safe mode options using F8 the error discussed above happens. The same is true if I choose the system restore. I am UNABLE to get into my computer – it reboots.
When I disable error restart(prompt from f8 screen) the computer locks up on a blue screen. It is a page about discussing fatal errors. No obvious errors are listed. However, at the bottom there is a lengthy number. Then on the bottom right there are 3-4 lengthy numbers seperated by commas in paraenthesis. Is this an error code? What the heck is it?
I CAN get to the XP user login if I go through debugging.(F8 Prompt)
When debugging it performs a check disk function. If I abort check disk it loads for a moment they reboots again!
During check disk I receive no errors up to about 90%
It finds an error with NTuser.dat. I believe it truncates a file named wia.service.log
SA.DAT
Then when check disk finishes it puts me at the windows login screen – without rebooting. However, I only have a USB mouse(the drivers have not loaded yet, I believe?) and I can not select one of the accountto log in with(system has 2 users). I tried tab, shift tab and arrows. I also hit each key once in attempt to select a user to log in. This did not work I am stuck at the login screen! IS there another method to select a user – if so I might be able to get in.
1.) Why is this the only way to get to the login screen without reboot?
I have 6 files I need for work in 9 hours from now. The computer is networked to the one I am on now. If your only advice is to get a new computer or take it to a professional I understand but no need to respond.
I DO not believe this is a hardware error. What do you think it might be? How do might I fix it? What do I do PLEASE help!
Thank you.
I am not too proud to take a personal email or yim if you can help now?