Download. What it fixes. Checks the following Windows security features and enables them if needed. Phishing Filter or Smartscreen Filter. User Account Control (UAC) Data Execution Prevention (DEP) Windows Firewall. Antivirus protection status and updates. Runs on. Windows 7. Windows 8.1. Windows 10. See also. Stay protected with Windows Security.

The Gaming Services Repair Tool for PC is now also integrated directly into the Xbox app for PC. To run the Gaming Services Repair Tool on your PC, make sure you have the 2311.1001.7.0 version or newer of the Xbox app on PC installed. To check your Xbox app version number: Launch the Xbox app for PC. Click your Profile picture.

A VPN connection can help provide a more secure connection and access to your company's network and the internet, for example, when you’re working from a coffee shop or similar public place. Note: This feature is not available in Windows 11 SE. Learn more. Create a VPN profile.

The Windows Malicious Software Removal Tool (MSRT) helps remove malicious software from computers that are running any of the following operating systems: Windows 10. Windows Server 2019. Windows Server 2016. Windows 8.1. Windows Server 2012 R2. Windows Server 2008 R2. Windows 7. Windows Server 2008.

Ransomware is malware that encrypts your files or stops you from using your computer until you pay money (a ransom) for them to be unlocked. If your computer is connected to a network the ransomware may also spread to other computers or storage devices on the network.

Microsoft Defender Antivirus is a powerful tool that finds and removes malware from your PC. Here's how to use it in Windows 10 or 11 to scan your PC. Important: Before you use Microsoft Defender Offline, make sure to save any open files and close apps and programs. Open your Windows Security settings.

To automatically rediscover the NIC and install drivers, select Scan for Hardware Changes from the Action menu. a. Alternatively, install the drivers for the network device by right-clicking the device and choosing Update. Then choose Search automatically for updated driver software or Browse my computer for driver software.

Automatically repair Windows Firewall problems, such as Windows fails to start Windows Firewall service (0x5) or Windows remote assistance is not working.

Close the Services window. If you find that Security Center is still not started and running as expected after you reconfigure and start Security Center and then restart your computer, you may be experiencing one or both of the following problems: Your computer is infected by malware. Your registry key is corrupted.

Microsoft Defender Antivirus and Windows Firewall are on your device to help protect it from viruses and other malicious software. But if you think they've missed something run Microsoft Defender Offline which can sometimes detect malware that others scanners missed. In Windows 10, Windows Defender and Windows Firewall helps protect your device ...