Failure problem: The computer appears prompt "A key system process, c:windowssystem32lsass.exe failure, status code is c0000005." You must now reboot the machine "and then start the countdown automatically again. No virus was found after using antivirus.
Troubleshooting: This problem is not necessarily related to viruses, and some malware and power management programs can also cause this symptom. Use 360 security guards or malware cleanup assistants to clean up and see. Additionally, this problem can occur if Windows XP has a "Leave mode" patch (Away mode-kb902437-enu) installed. Because the "leave mode" of the Media Center computer, can not be used on ordinary computers. Integrating this patch into the Windows XP installation CD can cause problems. You can see if there are any $msi31uninstall_kb893803v2$ folders in the C:windows directory, and if so, open the Spuninst folder inside and run Spuninst.exe uninstall the patch. If the $msi31uninstall_kb893803v$ folder is deleted. Or there is no such folder, you can download the installation patch again, and then follow the above method to uninstall.