Malwarebytes is also a top free antivirus program for Windows. It helps protect your computer in real-time by analyzing unknown files before they reach your device. It is packed with the largest threat-detection network, machine-learning virus protection, and home network security. You can use this program as a free Windows Security alternative. Avast Free AntivirusĪvast Free Antivirus features 6 layers of security, a powerful virus scanner, and no slowdowns or interruptions of your computer. You can use this free antivirus application to scan your computer to detect and remove all malware, viruses, worms, ransomware, Trojans, etc. It lets you customize the scan to improve your computer security. It also offers web protection when you browse online to avoid phishing and fraud attempts. It helps your computer stay away from the latest e-threats. This free Windows Defender alternative offers free antivirus protection for your PC. This post introduces some top free Windows Defender alternatives for your reference. If you think Windows Defender is not good enough to protect your PC’s safety, you can try some alternatives. You can leave a file in quarantine for as long as you like.Microsoft’s Windows Defender is the built-in free antivirus software for most Windows operating systems. This means the file is moved and stopped from running or doing anything to your PC.Ī quarantined file does not pose any risk to your PC. Most files detected by Microsoft security software are quarantined. Restore will move the file out of quarantine, back to its original location where you may choose to run it again. Select individual files, and then select Remove or Restore. Select Remove all to delete all quarantined software. Once you have reviewed the quarantined items you can: You might be asked for an admin password or to confirm your choice. Select Quarantined items and then View details. Open Microsoft Security Essentials or Windows Defender.

Under Quarantined threats, select See full history. Under Current threats, select Threat history. Select Start > Settings > Update & Security > Windows Security > Virus & threat protection. On Microsoft Defender Antivirus for Windows 10 version 1703 and later:

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