( BSOD) If you've ever used Windows, chances are you've experienced the lovely shade of blue associated with the famous Windows Stop Error or 'Blue Screen of Death.'

This frequent, although less so in newer operating systems, error occurs whenever Windows senses a software, hardware or driver error which will not allow it to continue operating properly.

Often, if you're lucky, the problem will resolve itself with a simple reboot and you may not have to worry about it again. More typically though, the BSOD is a harbinger of trouble and you may find yourself faced with another and another until you throw up your hands... but all is not lost.

(Author's note: I didn't feel like intentionally making my PC crash, so I don't have any sample screenshots of a true-blue BSoD. I'm sure that most of you know what they look like, and for the rest, believe me, you will know sooner or later.)

When your computer BSoDs, it's telling you that something has occurred, either an error in your software or hardware, or a device conflict of some kind. The Blue Screen of Death, or more properly the 'Windows stop message' occurs when Windows detects a problem or error from which it cannot recover. The operating system halts and diagnostic information is displayed on a blue screen.

In newer versions of the operating system, the contents of the PC's memory are dumped to a file for later analysis. All Windows XP stop errors are numbered according to the circumstances that caused the error, which assists enormously in troubleshooting them.

Unfortunately, it is difficult for most users to really understand what the BSoD is telling them, so what should you do?

Basically, the first and easiest thing to try is this: Reboot your computer,and hope it doesn't happen again in the near future. Yes, you may have lost some work and definitely some time, but you will have to cut your losses, andremember to save more often.

If the BSoD keeps happening, try to see if there is a pattern that has developed. If it continues to occur when you are using a specific program, then you may try uninstalling it, and reinstalling.

If you have just installed new hardware (such as a webcam or a printer), then you might need updated drivers for the device, or possibly there is another device conflicting that could be updated. Alternatively, if the device is not completely necessary, you may have to get rid of it completely from your computer.

And now for some preventative procedures. Blue screens tend to happen more often when your computer is under a heavier load. For this reason, don't overtax your computer by running too many programs all at once. Also, you may want to consider upgrading to a newer operating system, as the older ones tend to be less stable, especially with modern hardware.

As it stands, Windows XP SP2 is one of the most stable and crash-resistant versions available for home users. If your computer can handle it, consider upgrading.

If all else fails, you may have your PC checked over. They may be able to make the necessary changes, based on the BSoD messages, or might recommend a full re-install of your operating system.

Major Jane Raymond USAFA

MER/IT