Automatically fix Windows security issues. Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features. Select the Download button on this page.

However, Windows Security is pre-installed and ready for you to use at any time. If you want to use Windows Security, uninstall all of your other antivirus programs and Windows Security will automatically turn on. You may be asked to restart your device.

If you trust a file, file type, folder, or a process that Windows Security has detected as malicious, you can stop Windows Security from alerting you or blocking the program by adding the file to the exclusions list. Caution: Only do this for files that you're confident are safe.

Learn how to use virus and threat protection options in Windows Security to scan your device for threats and view the results.

Select Security processor details for additional info and options. Note: If you don't see a Security processor entry on this screen then it's likely that your device doesn't have the TPM (Trusted Platform Module) hardware necessary for this feature or that it's not enabled in UEFI (Unified Extensible Firmware Interface).

Tips to protect your computer. Use a firewall. Windows has a firewall already built in and automatically turned on. Keep all software up to date. Make sure to turn on automatic updates in Windows Update to keep Windows, Microsoft Office, and other Microsoft applications up to date.

Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

Method 1: Turn off the secure desktop by using Group Policy. Note: If you are running Windows 7 Home Basic or Windows 7 Home Premium, or a Windows 7 edition that does not contain the Local Group Policy Editor, use Method 2. 1. Type secpol.msc in the Start Search box, and then press ENTER. 2.

Windows Security uses real-time protection to scan everything you download or run on your PC. Windows Update downloads updates for Windows Security automatically to help keep your PC safe and protect it from threats.

To open the command prompt, type cmd in the Search box. Then right-click Command Prompt in the search results and select Run as administrator . You can perform the following tasks using the MSINFO32 command-line tool switches: Create .nfo or .txt files that contain your system information. Start System Information connected to a remote computer.