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Improve computer security

Diagnose and fix the problem automatically
The Diagnose and fix Windows security problems automatically troubleshooter may automatically fix the problem described in this article.This troubleshooter fixes many different problems. Learn moreRun nowNote If you would rather fix this problem yourself, go to the "Let me fix it myself" section.
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SIMPTOMI
On a computer that is running Windows XP, Windows Vista, or Windows 7, you can enable the following security features to improve computer security:
  • Windows Internet Explorer Phishing Filter (in Internet Explorer 7) or SmartScreen Filter (in Internet Explorer 8 and Internet Explorer 9)
  • User Account Control (UAC)
  • Data Execution Prevention (DEP)
  • Windows Firewall
Let me fix it myself
Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756 How to back up and restore the registry in Windows


Enable Phishing Filter or SmartScreen Filter

Internet Explorer 7


To enable Phishing Filter, use one of the following methods:
  • Start Internet Explorer 7. On the Tools menu, point to Phishing Filter, click Turn On Automatic Website Checking, and then click OK.
  • Locate and then set the Enabled registry value in following registry subkey to 2:
    HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\PhishingFilter
Internet Explorer 8


To enable SmartScreen Filter, use one of the following methods:
  • Start Internet Explorer 8. On the Safety menu in the Command Bar, point to SmartScreen Filter, and then click Turn On SmartScreen Filter. In the Microsoft SmartScreen Filter dialog box, click Turn On SmartScreen Filter (recommended), and then click OK.
  • Locate and then set the Enabled8 registry value in following registry subkey to 1:
    HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\PhishingFilter
Internet Explorer 9


To enable SmartScreen Filter, use one of the following methods:
  • Start Internet Explorer 9. On the Safety menu in the Command Bar, point to SmartScreen Filter, and then click Turn On SmartScreen Filter. In the Microsoft SmartScreen Filter dialog box, click Turn on SmartScreen Filter (recommended), and then click OK.
  • Locate and then set the Enabled9 registry value in following registry subkey to 1:
    HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\PhishingFilter

Enable User Account Control

To enable UAC in Windows Vista or in Windows 7, use one of the following methods:

Method 1: Use User Accounts to enable UAC


Windows Vista
  1. Click Start, type User Accounts in the Start Search box, and then click User Accounts in the Programs list.
  2. Click Turn User Account Control on or off.

    Note If you are prompted for an administrator password or for confirmation, type the password, or click Continue.
  3. Click to select the Use User Account Control (UAC) to help to protect your computer check box, and then click OK.
  4. Restart the computer to apply the change.


Windows 7
  1. Click Start, type User Accounts in the Search programs and files box, and then click User Accounts in the list.
  2. Click Change User Account Control settings.
  3. Slide the block to change the UAC settings.

    Note The four options allow you to control how if you are notified when you make changes are made to Windows settings.


Method 2: Use the System Configuration Utility to enable UAC


Windows Vista
  1. Click Start, click Run, type msconfig and then press ENTER.
  2. On the Tools tab, click Enable UAC, and then click Launch.
  3. Close the System Configuration window and then restart the computer.


Windows 7
  1. Click Start, click Run, type msconfig and then press ENTER.
  2. On the Tools tab, click Change UAC Settings, and then click Launch.
  3. Close the System Configuration window and then restart the computer.


Method 3: Use the Registry Editor to enable UAC
  1. Click Start, click Run, type regedit and then press ENTER.
  2. Locate and then click the following registry subkey:
    HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\System
  3. Right-click EnableLUA, and then click Modify.
  4. In the Value data box, type 1, and then click OK.
  5. Exit Registry Editor.

Enable DEP

To enable DEP, run the appropriate command for your operating system, and then restart your computer when a "Restart Computer" notification is displayed.
Windows XP
bootcfg /raw "/fastdetect /NoExecute=AlwaysOn" /id 1
Windows Vista or Windows 7
bcdedit.exe /set {current} nx OptIn

Enable Windows Firewall

If you are not running a Third-party firewall service, follow the appropriate steps for your operating system to enable Windows Firewall.
Windows XP
Set the EnableFirewall registry value under the following registry subkeys to 1 if the registry value exists:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\SharedAccess\Parameters\FirewallPolicy\DomainProfile
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile
Then, run the following command at an elevated command prompt to restore Windows Firewall to its default settings and rules:
netsh firewall reset
Windows Vista and Windows 7


Set the EnableFirewall registry value under the following registry subkeys to 1 if the registry value exists:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\SharedAccess\Parameters\FirewallPolicy\DomainProfile
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\SharedAccess\Parameters\FirewallPolicy\PublicProfile
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile
Then, run the following command at an elevated command prompt. This command backs up the current firewall settings and then restores Windows Firewall to its default settings and rules.
netsh advfirewall firewall reset export Temp\MATS_Temp\Results\wfas.wfw
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How the MATS package works to fix this problem
  1. The MATS package scans your computer and detects if the computer is running Windows XP, Windows Vista or Windows 7.
  2. The MATS package enables the security features if they are disabled.

    Note During this process, a dialog box appears. This gives you the option to manually select individual issues to fix if the issues are detected.
Note This is a "FAST PUBLISH" article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. See Terms of Use for other considerations.
Svojstva

ID članka: 969417 - posljednja izmjena: 02/29/2012 04:59:00 - verzija: 1.0

Windows Vista Business, Windows Vista Enterprise, Windows Vista Home Basic, Windows Vista Home Premium, Windows Vista Starter, Windows Vista Ultimate, Windows Vista Enterprise 64-bit edition, Windows Vista Home Basic 64-bit edition, Windows Vista Home Premium 64-bit edition, Windows Vista Ultimate 64-bit edition, Windows Vista Business 64-bit edition, Windows 7 Enterprise, Windows 7 Home Basic, Windows 7 Home Premium, Windows 7 Professional, Windows 7 Starter, Windows 7 Ultimate

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