Most Microsoft Windows fatal errors (blue screen of death) are caused by:

A. Applications

B. Device Drivers

C. Security Violations

D. Hardware failure

Answer:D) Hardware failure

Explanation: Fatal error are those which stops the function execution of the operating system during the run-time in the Microsoft Windows. These errors. These errors are seen the Microsoft windows due to the major reason of the hardware failure, accessing of the invalid code, operating system files might get corrupted etc. Therefore, the correct option is option (D).