Concrete base for paversSend the Ctrl-Alt-Delete Command to a Virtual Machine. Select Virtual Machine > Send Ctrl-Alt-Del. If you are using an external PC keyboard, press Ctrl+Alt+Del. On a full-sized Mac keyboard, press Fwd Del+Ctrl+Option. The. Forward Delete key is below the Help key. On a Mac laptop keyboard, press Fn+Ctrl+Option+Delete.Diac pspice libraryDelete the file. The Secure Delete Function is can be activated by selecting the 'secure delete' function under the Browzar 'Tools' menu. Technical note: Microsoft TM NTFS stores files in a number of ways: normal, compressed, sparse and encrypted. The Secure Delete process with normal files is straight forward.