When you move your mouse over the icon, it should say 'PC Status: Protected'.ġ.2 Click the 'Update' tab, click on the 'Update' button and follow the prompts. Make sure your antivirus software is up-to-date.ġ.1 Double-click on the white shield icon in the icon tray bar (notification area) on the lower right portion of your screen (or search for “Windows Defender” from the Start Menu). Instructions for Microsoft Windows operating systems: 1. Note: If you receive a security notice from ISO after attempting to clean the computer, you MUST reinstall the operating system (see Reinstalling Your Compromised Computer for instructions). We recommend reinstalling your operating system, but if that is not practical you can try this option first. Immediately contact at (510) 664-9000 (option 4)Īttackers often leave “backdoors” on a compromised computer and removing them all can be difficult, if not impossible. If the system has any data classified as Protection Level 4 (P4)ĭisconnect it from the network - don't turn it off or unplug it - and

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