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Victims of Sandy Hook

Stop the Slaughter of Innocents. Congress is bought and paid for by gun lunatics and gun promotion groups. If you want to live in a safe America, help buy Congress back for America. Send a donation to Mayors Against Illegal Guns, 909 Third Avenue, 15th Floor New York, NY 10022


The Blue Screen of Death (BSOD)

When the Windows operating system encounters a situation where it can't continue, or where continuing might lead to data corruption, it comes to a screeching halt and displays an incomprehensible error message on a screen with a blue background. This situation is referred to as "The Blue Screen of Death" (BSOD).

What can cause the Blue Screen of Death? The most common cause of the BSOD is a memory or a storage device read or write error. It could be an inability to read memory or a storage device. It could be bad data retrieved from a memory or a storage device, or it could be a program or service attempting to read from or write to a location in memory or a storage device that it is not authorized to access.

The Blue Screen of Death

A BSOD will usually provide you with some cryptic information about the error, including its symbolic name and a stop code. For example:

DATA_BUS_ERROR Stop 0x0000002E

This indicates that Windows has detected a parity error in system memory. In other words, bad data was retrieved from a memory or a storage device. Parity refers to an error checking scheme where a bit in each byte is set to an 0 or 1 so that each byte has an even number of ones (or in the case of odd parity, an add number of ones). If the number of ones in a byte read from a memory or a storage device does not match with the parity scheme, it indicates an error.

KMODE_EXCEPTION_NOT_HANDLED stop 0x0000001E

The error shown above indicates that the processor tried to execute an illegal or unknown instruction.

If you're familiar with Windows virtual memory scheme, you know that the operating system is able to pretend like it has much more memory than the amount of installed RAM by using part of the hard disk as virtual memory. Blocks of data and program code are shifted in and out of virtual memory in block sizes called pages. The file on the hard disk that they are stored in is called the page file.

PAGE_FAULT_IN_NONPAGED_AREA Stop 0x00000050

The error shown above indicates that Windows encountered an error in an area of system RAM that was not paged into virtual memory.




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