Across
- 4. the name of a popular anti-virus software
- 5. to copy yourself over and over
- 6. it is installed to block viruses from reaching the computer
- 7. aoftware that can remove viruses from the computer
Down
- 1. what a virus does to computer files
- 2. to download the latest version of software
- 3. files that are added to a message and sent in an email