Let me ask you…
1) Have you backed up your data from your computer lately? (including your email box?)
2) Do you know what to do if your computer keeps restarting itself?
3) Do you have all of your necessary CDs in one place for servicing your computer?
If not, I would highly recommend doing so. I just went through computer problems myself (again) and decided to use this time to remind you to backup your computer. I try to run a backup on an Ion Drive that I own, however, the last time I ran it was in July. Don’t worry, I didn’t lose anything this time. 
It all started around Thursday/Friday. My computer would restart for no reason. I thought perhaps I was overworking it like I tend to do. I can work faster than my computer can handle sometimes, and have too many programs open which makes it crash. It is rare with my new Alienware computer system.
But, when it started happening every 15 minutes to 1 1/2 hours, I knew something was wrong. I decided to make sure to back up my stuff on the Ion drive. It took a long time (the whole day) because of my unreasonable use of my Microsoft Outlook email box. I have folders within folders created on there to deal with clients, my websites and my Arbonne customers. I will change this system to have folders created in my computer folders from now on. Did you know you can save email messages as a .msg file and reply to emails much easier that way?
Mike wanted me to leave everything the way it was on the computer and have him just do a system restore. I didn’t want to take any chances! So, when I was finished and he went to do a system restore, imagine our shock when the computer restarted right in the middle of the restore?! That was it. That was all she wrote. The system wouldn’t get back into the Windows XP area to let us do anything. I was fine though, I was just happy that I had backed everything up.
Mike, bless his heart, had to deal with a few days of customer tech support with Alienware and Direcway. I won’t go into the long details of what he had to do to find out what happened and how to fix it. We found that the whole thing was due to one of my two memory sticks going bad. This error caused the computer to restart itself. So, why is it that some individual out there decided it was a bright idea to have the computer restart over and over instead of letting the computer user know what the error IS so it can easily be fixed ?!?!?
After I got back online, I checked my email to find that my friend, Barb, (thank you my friend) had sent me just what I needed, albeit too late. *sigh -I will share with you so that you will know…
What causes a computer to reboot itself?
1) It could be caused by a lot of things, but it is usually a hardware problem, especially if it occurs randomly. A noisy power supply, loose screw under the motherboard, bad CPU fan, and memory, expansion boards, socketed chips, and cables that are not fully seated are among the common causes. The motherboard could be cracked—these are usually hard to find. Our motherboard FAQs (http://duxcw.com/faq/mb/mb.htm) may help.
Here are some software causes:
- Computer May Reboot Continuously with More Than 1.5 GB of RAM (Q304943)
- Computer Caught in Reboot Loop After Using DriveSpace (Q130018)
- Windows XP and Windows 2000 Keeps Restarting Itself
- http://club.cdfreaks.com/showthread.php?t=129341
2) Here is another thing you can try:
You can stop your computer from re-booting itself when there’s an error.
Right click my computer, and select properties, and then the advanced tab. Under startup and recovery, click settings, and uncheck the box that says automatically restart. Click apply/ok the required number of times, and reboot your system.
Now, instead of your computer re-booting when there’s an error. You should receive an error message(BSOD) telling you what caused the problem.
Pay particular attention to any drivers identified in the stop message.
A list of Windows stop messages can be found HERE (http://aumha.org/win5/kbestop.htm)
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I will be using number 2 above. 
Now I am going back to work to get all programs reinstalled and try to catch up on my tasks/work. Onward and upward!
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Comments: 1.
Wendy!
I am so sorry I was so dense and sent you that vital information so LATE! Next issue, feel free to call me.
I feel like I’ve had every issue known to man.
My PC’s rebooting itself was due to a driver, by the way.
I was new to XP, and the printer I had was rather old,
and the printer driver wasn’t compatible with my new
XP PC, go figure.
The very moment I updated the driver, all was solved. In my defense it took a week of horros, and a dozen knowledgeable techs to finally zero in on the issue.
Comment by Xerraire — 11/2/2005 @ 2:02 am
2.
I keep my email .pst file in my My Documents along with every other file I use. My data files for particular software programs (e.g. Quicken) are also saved to My Documents. I then back up the entire My Documents to a USB drive once a month based on a calendar reminder I have set up. I have too much important data (family photos, emails, financial data, business data, wish lists, etc.) to risk losing it. I get very frustrated when I don’t have easy access to that information, so this not only allows me a backup copy but it is also transportable to any other computer for quick retrievel.
Comment by Misty — 11/2/2005 @ 8:07 pm