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In software, a stack buffer overflow occurs when a program writes to a memory address on the program's call stack outside of the intended data structure; usually a fixed length buffer. Stack buffer overflow bugs are caused when a program writes more data to a buffer located on the stack than there was actually allocated for that buffer. This almost always results in corruption of adjacent data on the stack, and in cases where the overflow was triggered by mistake, will often cause the program to crash or operate incorrectly. This type of overflow is part of the more general class of programming bugs known as buffer overflows.


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In computer security and programming, a buffer overflow, or buffer overrun, is an anomalous condition where a process attempts to store data beyond the boundaries of a fixed-length buffer. The result is that the extra data overwrites adjacent memory locations. The overwritten data may include other buffers, variables and program flow data, and may result in erratic program behavior, a memory access exception, program termination (a crash), incorrect results or - especially if deliberately caused by a malicious user - a possible breach of system security.

Buffer overflows can be triggered by inputs specifically designed to execute malicious code or to make the program operate in an unintended way. As such, buffer overflows cause many software vulnerabilities and form the basis of many exploits. Sufficient bounds checking by either the programmer, the compiler or the run time can prevent buffer overflows.


I don't know if this totally answers your question & as I am no computer
expert I won't dare to advise you on correction of it.

Stack overflow:
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In Windows 95, 98, and ME, there is a setting in the config.sys file that controls this. If it was changed, there will be a file on the root of the drive called config.bak. Open the (config.bak) file with MS notepad and check the old setting compared to the one in use by the config.sys file. If different, change the value back to the old setting.

STACKS=64,512 ;(this is the maximum allowed)
FILES=60
BUFFERS=40

You may need to tell explorer that you want to see hidden / system files to see them.

Secondly, remove the memory DIM’s and clean there gold contacts with isopropyl alcohol and a Q-tip and reinstall.

Hope this helps you Charlie,

Roland.

Charlie,

Did you upgrade the memory several months ago??? If so you may need to check the memory to make sure the DIMM pairs are of the same speed. This can defiantly cause problems like you describe. All SDRAM memory requires the installed DIMM’s are of the same speed rating or miswrites will occur!

Rolo.

Quote:


Roland , please stop or Charlie's head will explode.

I'm sure his box is still the same as when it left the factory.

He probably needs a clean reinstall, which will be painful because he probably has no backups.

Paul

[size=12]If you are talking about saving files, I stick stuff on disk that I don't want to lose. There isn't a lot of junk anyway.

Charlie

   What do you mean by you updated your computer a few months ago Charlie? Was it the Service Pack 3 upgrade from Microsoft? Or something like that? Since this has just popped up recently, have you installed any new programs?

Rolo,

   I finally understand some "user speak" so maybe this will help you. The monitor is called "the computer", a hard drive is called "memory", The computer case is called "hard drive", "CPU", or "modem". The answer to what is your OS is usually  "Dell", or "HP". Their ISP is called "my server" and their web browser is called "the internet"

<shameless plug> Check out my post in the joke board, Multimedia File Viewing and Clickable Links are available for Registered Members only!!  You need to or </shameless plug>

Charlie, sorry about hijacking your thread.

Paul

Charlie wrote on Jan 10^th, 2009 at 1:49am:


I can understand how you may have achieved the “clear” part but just how did you dilate it, with a hammer?

Rolo.

BTW, great video Paul!