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<blockquote data-quote="greymist" data-source="post: 3093683" data-attributes="member: 7113">Silvermane, do you have any ideas on what could be the cause of the BSODs? It is possible that there is a hardware issue, but what are the odds that a hardware issue hit two PCs at the exact same time? Especially given that both were working fine on Wednesday, and the BSOD appeared the first time both were booted on Thursday. I suppose there could be a problem with the router, to which both PCs are wired? Both PCs run AVG and both are updated automatically, so it is possible that there was a bad update, but the laptop that I am using right now has the same AVG set up and no problem (although it is connected to the router wirelessly). And, when I booted the affected PCs in Safe Mode, I ran AVG to scan both PCs and it seemed to run OK, no BSOD or crash. I am planning on trying to start the PCs with AVG disabled, and I will also do the same with ZoneAlarm, hopefully, as was the case with Rl'Halsinor, the problem might lie there. I'm not confident that ZoneAlarm will be the problem, because I don't have it set to update automatically, so I cannot see how it would suddnely turn &quot;bad&quot; unless we got a virus.I should note that in both cases AVG returned an error when trying to read the MBR and in both cases it noted that the kernel was changed. This sounds like virus or rootkit activity to me, but I am by no means an expert.</blockquote>

[QUOTE="greymist, post: 3093683, member: 7113"] Silvermane, do you have any ideas on what could be the cause of the BSODs? It is possible that there is a hardware issue, but what are the odds that a hardware issue hit two PCs at the exact same time? Especially given that both were working fine on Wednesday, and the BSOD appeared the first time both were booted on Thursday. I suppose there could be a problem with the router, to which both PCs are wired? Both PCs run AVG and both are updated automatically, so it is possible that there was a bad update, but the laptop that I am using right now has the same AVG set up and no problem (although it is connected to the router wirelessly). And, when I booted the affected PCs in Safe Mode, I ran AVG to scan both PCs and it seemed to run OK, no BSOD or crash. I am planning on trying to start the PCs with AVG disabled, and I will also do the same with ZoneAlarm, hopefully, as was the case with Rl'Halsinor, the problem might lie there. I'm not confident that ZoneAlarm will be the problem, because I don't have it set to update automatically, so I cannot see how it would suddnely turn "bad" unless we got a virus. I should note that in both cases AVG returned an error when trying to read the MBR and in both cases it noted that the kernel was changed. This sounds like virus or rootkit activity to me, but I am by no means an expert. [/QUOTE]

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