Blue Screen of Death wrote:STOP: c0000218 {Registry File Failure}
The registry cannot load the hive (file):
\SystemRoot\System32\Config\SOFTWARE
or its log or alternate
It is corrupt, absent, or not writable.
Beginning dump of physical memory
Physical memory dump complete.
Contact your system administrator or technical support group for further assistance.
Sounds like some kind of memory erasing virus to me. I don't think I've downloaded anything weird lately and I regularly use anti-virus programs etc to keep it clean.
So, any smart people have an idea of what to do?