A system file that has been patched numerous times becomes infected with a virus. The anti-virus
software warns that disinfecting the file can damage it. What course of action should be taken?

A.
Replace the file with the original version from master media

B.
Proceed with automated disinfection

C.
Research the virus to see if it is benign

D.
Restore an uninfected version of the patched file from backup media