Active directory authorizes and authenticates all users and computers in a window domain network, ensuring the security of the computer and software. Through active directory various functions can be managed like creating admin users, connecting to printers or external hard drives.
BSOD stands for blue screen of death. When there is some fault in OS or hardware then Windows can’t run the program and gives a blue screen with a code. To resolve this problem the best way is to reboot the system. If it doesn’t work than boot the system in the safe mode.