My story starts with my mother's problem. She complained me about her computer which turned off after several minutes of working. I decided to clean its heatsink, but it was pretty clean, so I decided to not take apart the notebook, because I didn't yet have any thermal paste.
Well this isn't special thing, but I really wanted to make sure, that the CPU's overheating, so I downloaded and sent her the hwinfo32 application, which I use to monitor the CPU temperature. Then surprise happened: