Windows operating system will help you in many ways in completing the personal or professional tasks or jobs. It is considered one of the most reliable and most popular operating systems in the world. However, you may also get some error issues in the computer run on Windows OS. It is seen that when you try to start some applications or programs or when you try to install something new, you may get some error issues in the computer. Windows stop error 0x00000012 is also one of those errors. It is really a very critical error that can harm the computer data badly if not fixed soon. The BSOD error 0x00000012 in Windows comes mainly due to bad boot sectors or due to problem with the hard disk. In this situation, you must download and install Advanced System Repair tool in the computer.