Updating virus protection
When the attachment runs, it automatically starts a Live Update session on your computer. Scheduling automatic Live Updates Symantec supplies a special program called Intelligent Updater if you cannot use Live Update.
If you don’t have a modem or Internet connection, you can get the updates by mail.
Your antimalware product should be set to automatically get updates.
Windows Defender Antivirus gets updates as part of Windows Update.
So, go through this list of free antivirus software and see which ones you like the most.
If you suspect that your computer is infected, immediately update your definitions and perform a scan.
Windows Defender Antivirus and other Microsoft antimalware solutions provide a way to manually trigger an update.
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Microsoft continually updates its antimalware definitions to cover the latest threats and to constantly tweak detection logic, enhancing the ability of antimalware solutions to accurately identify threats.