Symantec Antivirus Update Crashes Some Windows XP Machines

by Director of Intergalactic Communications and Marketing on July 16, 2012

Symantec updated its antivirus software, and some PCs are crashing repeatedly. The “blue screen of death” is showing up on machines running Windows XP.

The company released a statement on its website saying it received a number of reports with machines running Windows XP that were continuing to show the blue screen after rebooting.

Computers using any combination of Windows XP, the latest Sonar antivirus software version, the 18 Sonar signature set from the July 11 revision and software from third parties.

“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 said.

They are working on finding a solution.


“The compatibility-testing part of the quality-assurance process for SONAR signatures missed catching this compatibility issue,” noted Orla Cox of Symantec Security Response. “It is this part of our process that we will be improving to avoid future issues. We are currently restructuring our testing process to improve compatibility testing and will not be releasing new SONAR signatures until this new process is in place.”





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