

When the scan has finished (usually takes about 15 minutes), your PC will automatically restart. After you are, your PC should restart. Microsoft Defender Offline will load and perform a quick scan of your PC in the recovery environment. You'll be prompted that you're about to be signed out of Windows. Select Microsoft Defender Offline scan, and then select Scan now. In older versions of Windows 10: Under T hreat history, select Run a new advanced scan. In an up-to-date version of Windows 10 or Windows 11: Under Current threats, select Scan options.

On the Virus & threat protection screen, do one of the following: Select Start, and then select Settings > Update & Security > Windows Security > Virus & threat protection. Save any open files and close all apps and programs. Download Microsoft Safety Scanner - A standalone on-demand computer scanner that performs quick, full, or custom analysis on your computer to detect.

You suspect your PC might have malware hiding on it, but your security software doesn’t detect anything. Microsoft Security Essentials provides real-time protection for your home or small business PC that guards against viruses, spyware, and other malicious software. Microsoft Download Manager is free and available for download now. Windows Security (also called Windows Defender Security Center in previous versions of Windows) detects rootkits or other highly persistent malware on your PC and recommends you use Microsoft Defender Offline. It also allows you to suspend active downloads and resume downloads that have failed. When should I use Microsoft Defender Offline? Running more than one antivirus program at the same time can potentially cause conflicts that affect PC performance.Microsoft Defender Offline is a powerful offline scanning tool that runs from a trusted environment, without starting your operating system. Microsoft Security Essentials runs quietly and efficiently in the background so you’re free to use your Windows-based PC the way you want-without interruptions or long computer wait times.īefore installing Microsoft Security Essentials, we recommend that you uninstall other antivirus software already running on your PC. Microsoft Security Essentials is a free download from Microsoft that is simple to install, easy to use, and always kept up-to-date so you can be assured your PC is protected by the latest technology.
