Thanks guys, good to see that you are try to help me to avoid a reinstall process.
I have ran the Win's memory test (from system recovery console), seems no problems.
Unfortunately it can't boot in Safe mode to try that malwarebytes.
But. Maybe it is perhaps an important info about this crash:
During the morning WinUpdate said that new updates available. Okay, I have checked mostly of them (not all; there were some Microsoft Redistributable xy something or whatever, that I didn't check), and also an earlier update of the Microsoft mouse driver
Update was went fine, after restart everything was okay.
Then, Security Essentials warned about a critical "something", and I choose to solve it, then it was said to restart the system to finish the cleaning.
I have choosen restart.
Bootup started and after a while, BSOD.
And I stucked.
Because I suspected maybe it was a bootsector virus, that's why I started an Fsecure bootcd scan. "Unfortunately" it didn't find viruses in the bootsector.