Windows 7 Enable firewall error 0x80070422

Solution:

method to open Windows Defender Service

1. Click Start, and then type the service in the search for programs and files (Windows 7) or in the Start search box in Windows Vista.
2. Click the Service (next to the cogwheel icon), and then click Run as Administrator. When prompted, enter the administrator's username and password, and then press ENTER.
3. Scroll down until you see the Windows Defender Service, double-click the Windows Defender Service.
4. Click the Startup type, next to the Drop-down list, and then click Automatic.
5. Restart your computer, and you should enable Windows Firewall.

Method two run the attachment in the fix it

Method three Run Msert

1. http://www.microsoft.com/security/scanner/en-us/default.aspx download Msert to the link below.
2. Double-click Install.
3. After installation, it will move to your desktop and double-click the Microsoft Security Scanner icon.
4. Select all the terms and conditions that accept the license agreement above and click Next two times.
5. Click the Quick Scan, and then click Next.
6. The Microsoft security scanner scans your computer and deletes all malicious software.

Method four runs Windows Update, updates all updates

1. Enter the control Panel.
2. Select Windows Update.
3. Click on the left side of the check update.
4. Select all important updates and install them.