Please share and like below, also comment below for any problem encountered. Scan Offline means to scan all files and folder on system restart by Windows Defender on Windows 10 PC Hope with this, you have been to learn How to perform Boot Time Scanning with Windows Defender on Windows 10 PC. Navigate to Applications/ Startup and select ip vanish Safe Method with a tick mark beneath the Safe Function icon. 2) You will see the Settings Icon (it is marked red), click on itĤ) Click on Update and Security and then the Update and Security Window will open.ĥ) On the left hand pan,You will see Windows Defender, then click on Windows DefenderĦ) On the Windows defender Settings window,scroll down, you will see Windows Defender Offline, click on Scan Offline below (Remember it require system restart and takes about 15 minutes)ħ) On the notification area, expand it and click on the Windows Defender Icon, it will launch Windows Defender.Ĩ) On the top right hand corner, Click on Settings.ĩ) On the Windows defender Settings window,scroll down, you will see Windows Defender Offline, click on Scan Offline below (Remember it require system restart and takes about 15 minutes). However, Avast will not offer the capability to manually work the Boot Scan therefore in order to clean up your system you have to press F8 before you begin your computer and select Safe Method.