How to schedule a Windows Defender scan. Scheduling a Windows Defender scan is essential. It keeps your system secure, lets you automate protection and helps maintain performance. Let's walk through how to schedule scans using Windows tools and command line options. Before we begin, be sure to subscribe to Ninja One's IT Video Hub and our YouTube channel. For more tech content like this ways to schedule want more control, use the command prompt Launch Command prompt as an administrator. You can run quick scans using dash scan, dash scan type one or full system scans with dash scan dash scan type two target specific folders using dash scan, dash scan type three dash file C path two folder. Use Get files to review quarantined items or refresh definitions using remove definitions. All for advanced automation. PowerShell adds even more flexibility. Run start MP scan dash scan type Quick scan for immediate scanning or use START MP scan dash scan path C dash slash important data. To target high value areas, add the dash as SJOB parameter to scan in the background and monitor threats with GET MP threat detection. Adjust your schedule by running set MP preference dash scan schedule time 3:00 AM Further integration with Windows task scheduler. Now. For deeper integration use Windows Task Scheduler Open Task scheduler from the start menu. Click Create basic task in the right hand actions panel. Enter a descriptive name like Weekly Defender scan and click. Next, choose your preferred trigger daily, weekly, monthly, and configure the schedule details. Select start a program as the action type and click next in the program slash script field. Enter PowerShell or CMD dot exe if preferred in the add arguments field. Enter your Windows Defender scan command. Complete the wizard and check open the properties dialogue before clicking finish in the properties dialogue. Adjust additional settings such as run conditions or recovery options. Balancing scan performance with system responsiveness is critical. Use the CPU throttling option under advanced scan settings in security center. Set your preferred percentage and decide if scans can run during sleep. When plugged in for more information, check out our official blog post on scheduling a Windows Defender scan linked in the description below.