You can get this error on almost all windows OS from windows vista to windows 8.
If you are using Window operating system, you might have encountered this crcdisk.sys problem at some point of time. Though this is a rare case, this error is caused when there is a power outage especially after few seconds of switching on the system...or some malware has infected your system ... or a RAM module or hard disk has failed!
To fix this (...well, if not a hardware problem, like RAM module or hard disk failure, is not the case...), check this article:
How to fix crcdisk.sys error on Windows operating system