There are many factors that can affect the speed, efficiency and security of a PC. Computer owners should complete regular maintenance checklists so that any potential issues are stopped in their tracks. Ideally, this should be done on a weekly basis. Update your anti-virus software Viruses can cause extensive damage to a computer. Often, this will be irreversible. The latest malicious software finds flaws in outdated security systems. This is why it is essential that you are running the latest version of your chosen antivirus software. Run anti-spyware/anti-malware programmes It is also important to do a scan of...