Repair: Stop Error 0x0000004e or PFN_LIST_CORRUPT
Bugcheck Error 0x0000004e Stop Code Windows Blue Screen of Death BSOD indicates that the PFN (Page Frame Number) list is corrupted. This error is also called a Windows fatal error. This error is also caused by hardware or software problems. This error caused your PC to crash and displayed an error on the blue screen. This is some kind of bugcheck 0x0000004e error problem.
The PFN is used by your hard disk to determine the path of each of your files on the physical disk. This error message usually appears if the page number in the short PFN list is damaged by an internal or external error.