Legit Reviews noticed users of Crucial's M4 solid state disks are complaining about a major firmware glitch that causes Windows to crash very frequently after using the drive for around 5,000 hours:
If you own a Crucial SSD and are having issues with it then you might want to see how many hours are on it. It appears that users that once you have the drive on for 5,000 hours that something goes wrong and you'll have to reboot the system every hour. It appears to be happening to all capacities and has been reported by users on the Crucial Support Forums since December 13th, 2011. Check out what one user has been going through:
"I just started getting this error yesterday on my M4 128gb drive. I've had it for about 6 months or so. Basically I'd come home to Windows saying 0xc000000e and it's unable to boot. If I warm reset then I'd hit the same error, but if I power cycle then it would boot fine. After about 30 minutes or so I get a blue screen and the 0x000000F4 error." - ikachu
All Crucial M4 SSDs running any of the current firmware versions are affected. Crucial estimates a patch will be ready by the week of January 16th, 2012.