Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to protect your computer [title] Choose malware and virus protection offered by the major players in the field. [step] For help in this area, access microsoft's security center to learn more. Maintain your firewall protection.

Ending1: [title] Debug your computer at least once per week to stay up to date on current updates. [title] Update your firewall regularly until the latest update is available. Ending2: Remove features that prevent the ability to manage your trash. [title] Shield your computer by using long-sleeved or under armour shields. Ending3: Do not allow it to be turned off for even an extremely short time. [substeps] Understand the protections built into your computer's operations are there to help you. Ending4: Your firewall will be protected by booting up the " anti-malware " program installed on your computer. [title] Be on a low-cost wireless network to maintain the ability to use the internet.

Answer format: ending1/ending2/ending3/ending4