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My PC has slowed down to about a tenth of its speed between two reboots, and it also performs random reboots, and for the first time in four years I got a blue screen of death...The PC is a Toshiba Satellite laptop with 256 MB RAM and a Celeron 2600 and had so far been running quite nicely.
First I thought it was a spyware or a virus, but Avast, Adaware and Spybot did not find anything. Then I checked my firewall logs. First strange thing was that 40% of the blocked traffic was high rated, which was disproportionally higher than before, the second thing was that there were a lot of NETBios session attempts being blocked from computers in the starman.ee domain, who after some search seem to be an estonian broadband provider. So I wanted to block the whole domain, but I couldn't do that with the free version of ZoneAlarm, so I downloaded Sygate and blocked it.
The very slow speed still persisted and while running msconfig I encountered a blue screen of death...
The error it gave me was a kernel data inpage error and it also said something about atapi.sys, but I did not have any time to read it as the PC restarted.
Checking with google on the error it told me that it was a memory error due to faulty hardware device or a virus. Thinking that Avast might have missed something the first time round I tried scanning again. Got a reboot fifteen minutes into the scan. This wasn't due to overheating since when my PC does that it just simply switches off and doesn't want to switch on for several long minutes. Another try with Avast brought the same results. I felt the temperature of the back and bottom of the laptop just to be sure, and it wasn't unnaturally hot.
Anyone have any idea what might be causing the problem?
I'm currently restoring back to two days ago, in case the problem came from something which got installed or installed itself in those two days.
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