solution for blue screen of death windows 7 or others

blue screen of death is typical error almost in all windows where common computer user find them self in a difficult position to find a solution . 

What are the reasons for the Blue screen of death?

usually this problem come due to hardware or software drivers for hardware problems rather than general software's. 

on the occurring of this error windows create a dump.txt file about problem which causing to restart your windows automatically. by reading this file you can understand why this problem is occurring and expose the causes of problems 

you can`t repairer this problem not in normal boot because it prevent you from getting into windows. there is not other way than choosing safe mode for opening windows and from there you find out a solution