Microsoft regularly updates its free Windows Defender security program through the Windows Update feature that comes with all Windows-based computers. Windows Defender scans the computer’s hard drive and automatically detects and removes malicious software and spyware. Windows Update automatically downloads and installs software fixes and upgrades for Windows Defender and other programs to keep the computer working properly. If a recent Windows Defender update has caused problems on your computer, you can uninstall it using the Control Panel. Warnings Writer Bio
