The Blue Screen of Death (also known as BSoD or Blue Screen), known officially as a Stop Error or a bug check, is the error screen displayed by the Microsoft Windows family of operating systems upon encountering a critical error, of a non-recoverable nature, that causes the system to crash. The term is named after the color of the screen generated by the error. In Unix-basedoperating systems, a similar term is kernel panic.
![English: Windows XP / Vista BSoD. English: Windows XP / Vista BSoD.](https://i0.wp.com/upload.wikimedia.org/wikipedia/commons/thumb/9/98/Bsod_xpvista.svg/300px-Bsod_xpvista.svg.png)
English: Windows XP / Vista BSoD. (Photo credit: Wikipedia)
Stop errors are hardware or driver related, causing the computer to stop responding in order to prevent damage to the hardware or data. In the later versions of Windows (Windows NT and later) the screen presents information for diagnostic purposes that was collected as the operating system performed a bug check.
Antivirus programs were designed to prevent “Blue Screen of Death”. This theory seems to have outdated itself. A recent update to Symantec‘s antivirus software rendered some Windows-based PCs inoperable, the security software maker disclosed Friday (July 13th 2012) due to some compatibility problem. An update earlier in the week to Symantec Endpoint Protection 12.1 antivirus software for businesses caused some Windows XP-based computers to crash repeatedly with a “blue screen of death,” the company revealed on its Web site.
The security firm is ‘restructuring’ its SONAR signature quality assurance process after an incompatibility took down a number of Symantec-protected Windows XP machines. The company said on the weekend that a “full evaluation and root cause analysis of the issue” showed that the only customers to be affected were those running XP, certain third-party software, the latest version of Symantec’s behavior-based SONAR technology, and the July 11th rev11 SONAR signature set.
“The root cause of the issue was an incompatibility due to a three-way interaction between some third-party software that implements a file system driver using kernel stack based file objects — typical of encryption drivers – the SONAR signature and the Windows XP Cache manager,” Symantec Security Response team member Orla Cox said in a blog post. “The SONAR signature update caused new file operations that create the conflict and led to the system crash.”
Based on our root cause analysis, we determined that the problem is isolated to some Windows XP machines with file system drivers (usually encryption) running:
- Symantec Endpoint Protection Small Business Edition (SEP SBE) 12.1
- Symantec Endpoint Protection (SEP) 12.1
- Symantec Endpoint Protection.cloud (SEP.cloud)
So far Mac customers have not reported any impact. Additionally, Symantec Endpoint Protection 11 is not impacted.
The Blue Screen of Death occurs once Windows encounters a critical problem from which it cannot recover without halting operations after posting the diagnosis of the problem in the form of the Blue Screen error. In more recent versions of Windows, the remnants of the PC’s memory up to that point are saved to a dump file for analysis later by an expert.
Most of the time Registry (File system) errors are due to the one cause. Without going into too much detail, the registry is a set of entries and instructions made by every program and application that is installed and running on your system. So, if any of these registry entries are somehow corrupted or deleted, the program or device that depends on it is likely to malfunction and result in an error.
Only experts with thorough knowledge of how to edit the registry can repair it. Even so, it can be beyond repair sometimes. In such cases, there are usually two alternatives. One is to use Windows System Restore to go back to a restore point (date) before the registry was affected, but this can be slow and cumbersome. The best solution is Stellar Phoenix Solutions.
At Stellar Phoenix, we have seen it all, our engineers are trained and certified in all leading encryption and forensics technologies and have satisfied customers all over the globe.
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Source: cnet, symantec