You can open the main window of Kaspersky Anti-Virus 2013 the following ways:

• from the context menu of the program icon
• from the Start menu
• from Windows Browser
• from Kaspersky Gadget

From the Start menu:

For users of Windows XP/Vista/7:

1. In the left lower part of the screen, click the Start button.
2. Select Programs (All programs).
3. Select Kaspersky Anti-Virus and then click the Kaspersky Anti-Virus 2013 item from the context menu.

For users of Windows 8:

1. Right-click free space on the Start screen.

2. At the bottom of the screen click All Apps.

3. Find and click Kaspersky Internet Security 2013 on the Apps screen.

From Windows Browser:

1. Find the avp.exe file in the following path: 
   • For users of Windows XP (32-bit/64-bit)/ Vista (32-bit) / 7 (32 bit) / 8 (32-bit): C:\Program Files\Kaspersky Lab\Kaspersky Anti-Virus.
   • For users of Windows Vista/7/8 (64-bit): C:\Program Files (x86)\Kaspersky Lab\Kaspersky Anti-Virus.

2. Double click the avp.exe file.
3. In the bottom right corner of the screen left-click the icon of Kaspersky Anti-Virus 2013. 

After you perform the actions described above, the main application window of Kaspersky Anti-Virus 2013 will open.

The main application window of Kaspersky Anti-Virus 2013 can be divided into two parts:

• The top part of the window provides information about the protection status of your computer and contain the following components:
  • Protections status indicator .
  • Threats — info concerning detected threats.
  • Protection components — info concerning the application components work.
  • Databases — databases status info.
  • License — info about license validity period.
  • Recommendations — recommendations concerning threats removing or application setting (for example, if automatic update is disabled, you will see Recommendations: enable automatic update in the main application window).

• Bottom part of the window allows you to quickly switch to using the main features of the application (for example, running virus scan tasks, updating databases and software modules).
  • Using the arrow buttons, you can view the list of all components available from the main application window:
    • Scan
    • Update
    • Tools
    • Virtual Keyboard
    • Quarantine

• If you select one of the sections, the corresponding window will open. You can go back to the list of components by clicking on the Back button located in the left upper part of the window.

Also in the main application window of Kaspersky Anti-Virus 2013 you can use the following buttons and links:

• Cloud protection – to switch to information about Kaspersky Security Network.
• Settings – to open the application settings window.
• Reports – to switch to the application operation reports.
• News – to switch to viewing news in the News Agent window. This link is displayed after the application receives a piece of news.
• Buy now – to open  E-Store where you can purchase a new license. If a commercial activation code is activated, the button is not displayed.
• Help – to view the Kaspersky Anti-Virus help system.
• My Kaspersky – to enter the user's personal account on the Technical Support Service website.
• Support – to open the window containing information about the system and links to Kaspersky Lab information resources ( Technical Support Service website ,  forum ).
• Licensing – to go to Kaspersky Anti-Virus activation and license renewal.

The protection status of the computer reflects the presence or absence of any kinds of threats affecting the security level of the system as a whole. Threats include not only detected malicious objects, but also use of out-of-date databases, disabled computer protection, and use of minimum settings for Kaspersky Anti-Virus 2013.

The computer's protection status is shown in the main application window of Kaspersky Anti-Virus 2013 in the form of a color indicator. Depending on the situation, the color of the indicator changes.

In Kaspersky Anti-Virus 2013 the color indicator has three possible statuses.

• Green means the computer is protected.

  

• Yellow indicates that there is a problem with protection (for example, the databases of Kaspersky Anti-Virus 2013 have not been updated).

• 

• Red indicates a serious security threat to the computer (for example, malicious objects have been detected on the computer and need to be neutralized)

Clicking on the indicator opens the Security problems window, which provides detailed information about the computer's protection status. All problems are grouped by the categories to which they relate:

• License: problems relating to the current license (for example, license validity period has expired).
• Threats: list of active threats detected by Kaspersky Anti-Virus 2013.
• Databases and application modules: problems relating to the status of databases and application modules (for example, out-of-date databases).
• Protection components: problems in the functioning of protection components (for example, problems in the functioning of  Web Anti-Virus ).
• Recommendations: recommendations for optimum configuration of the settings of Kaspersky Anti-Virus 2013 (for example, if automatic update is disabled, the main application window displays the line Recommendations: Enable automatic update). 

If there are problems with the computer protection, you are advised to eliminate them as soon as possible.

To view detailed information about the computer's protection status and to eliminate problems, perform the following actions:

1. Open the main application window.
2. In the upper part of the window, click the protection status indicator. 
3. The Security problems window displays the whole list of messages about problems. You can a eliminate problem by clicking on the corresponding button (for example, the Resume button). 
4. Close the Security problems window.

If the main window of Kaspersky Anti-Virus 2013 will not open, it means that protection either malfunctions or does not function at all. In this case you are recommended to restore the program.

If the solution did not help, create a request to Kaspersky Lab Technical Support via the My Kaspersky service. Describe your problem in all details. You can find detailed instructions on how to work with the service on the FAQ for My Kaspersky page.