How to Use Windows Antivirus & Quarantine Tool to Manage DLL Files

Occasionally, legitimate .dll files may be flagged as suspicious by Windows and quarantined. This guide will show you how to use the built-in Antivirus & Quarantine tool in Microsoft Windows to protect your system, manage quarantined .dll files, and maintain system stability.

  1. Open Antivirus & Quarantine

    Open the Windows menu, search for 'Virus & threat protection', and select it from the results.

    Windows Antivirus & Quarantine
    Search for 'Virus & threat protection' in the Windows menu and select it to access antivirus settings.
  2. Select 'Scan Options'

    Select the 'Scan options' button to load the full set of antivirus options.

    Windows Antivirus & Quarantine
    Click 'Scan options' to choose from different scanning methods like Quick, Full, and Offline scans.
  3. Select what to scan

    For comprehensive security, perform a 'Full Scan' followed by an 'Offline Scan'. Make sure Windows Updates are up to date to ensure the latest antivirus definitions are available.

    Windows Antivirus & Quarantine - Select Items
    Choose 'Full Scan' or 'Offline Scan' for a detailed inspection of your system. Update your antivirus definitions first for maximum protection.
  4. View Quarantine Results

    Sometimes, .dll files may be flagged as suspicious by Windows Antivirus and quarantined during installation or while loading an application. If you are certain the file is legitimate, you can restore the .dll and add an exception. However, always ensure the file is from a trusted source to avoid potential security risks.

    Windows Antivirus & Quarantine
    Review quarantined files and carefully restore legitimate .dll files if they were mistakenly flagged as threats.