Windows Security Troubleshooter from Microsoft Automated Troubleshooting Services troubleshoots, identifies and fixes Windows security problems automatically.

The Troubleshooter will automatically diagnose and fix the following problems with security in Windows7 or Vista, such as:
- User Account Control – UAC
- Windows Firewall
- Data Execution Protection (DEP) to prevent security threats.
The Troubleshooter will automatically:
- Check Windows security features and enable them if needed
- Fix Phishing or Smartscreen filters
- Fix and reset User Account Control (UAC)
- Fix Data Execution Prevention (DEP)
- Reset and fix Windows Firewall.
Think you need to run this Troubleshooter?
Head over to the Windows Security Troubleshooter page, click on the Run Now button, and let do the work for you!
The Windows Malware Prevention Tool will help you harden your Windows security, whereas this Windows Security Troubleshooter will fix Windows security problems.
PS: You may also want to see this TWC post if your find the above link not offering the solution. Also check out Malware Removal Guide.
