CompTIA A+ Core 2 Question A-47

A user is having issues with a Windows computer. Upon loading the operating system, several messages appear referring to a DLL file that cannot be found. Which of the following would be the BEST course of action for the technician to perform NEXT?

A. Copy the DLL file from a working PC and use the regsvr32 command to load the file
B. Run the Windows Update utility to manually reinstall the DLL file
C. Run the defrag utility to correct any fragmentation that may have damaged the file
D. Research the DLL file to identify the application it corresponds to before continuing

Correct Answer: D