What is the one of the most common forms of computer vulnerabilities that can cause massive computer damage?

A virus can cause massive computer damage.

It is d shadow i hope it

In windows explorer, select the file, folder, or groups of files and folders you'd like to copy. you can select multiple files or folders in several ways: click the first file or folder you want to select, hold down the ctrl key, and then click each additional file or folder you want.