To block banner ads, you must enable Anti-Banner:

1. In the main application window, click .

1. To learn how to open the main application window, see this instruction.

2. In the Settings window, go to Protection → Anti-Banner.

3. Click the switch to the enabled position and click Save.

4. Click Yes.

If Anti-Banner is enabled, but a banner is still visible on the website, add it to the list of blocked items. See instructions in the articles for Kaspersky Internet Security and Kaspersky Total Security.

If you notice banner ads appearing on websites that weren’t there before, it’s possible that you have accidentally installed adware on your computer. It might have been installed, for instance, together with a new browser. You can delete adware using the PC Cleaner tool.

1. In the main window, click More tools.

1. If you have problems opening the application window, see this article.

2. In the Tools window, select Clean and optimize → PC Cleaner.

3. Click Run to perform an analysis of the applications installed on your computer.

4. If your Kaspersky application detects an application that require removal, a window will appear with a link to the analysis results. Follow the link.

5. To remove an unwanted application, click Remove.

During the installation of an application, you might not notice a series of check boxes besides additional applications that are installed by default. Should this be the case, you might accidentally install adware. To prevent adware being installed on your computer, configure Application Manager.

1. In the main window of your Kaspersky application, click .

1. To learn how to open the main application window, see this instruction.

2. In the Settings window, go to Protection → Application Manager.

3. In the Application Manager settings window, make sure Application Manager is enabled. Select the check boxes for the functions you require and click Save.

4. Click Yes.

Application Manager in Kaspersky applications works with limitations. For more information, see the articles for Kaspersky Internet Security and Kaspersky Total Security.

When you browse websites, their owners collect information about your activity in order to offer you targeted ads based on your preferences. To prevent websites from collecting your data, configure Private Browsing.

1. In the main window of your Kaspersky application, click .

1. To learn how to open the main application window, see this instruction.

2. In the Settings window, go to Protection → Private Browsing.

3. In the Private Browsing settings window, select Block data collection and click Save.

4. Click Yes.

For a list of supported browsers, see the articles for Kaspersky Internet Security and Kaspersky Total Security.

Adware detection is enabled by default in Kaspersky applications. To ensure that the feature is enabled:

1. In the main window of your Kaspersky application, click .

1. To learn how to open the main application window, see this instruction.

2. In the Threats and Exclusions settings window, select the check box Detect other software that can be used by criminals to damage your computer or personal data.

3. Click Continue.

4. Click Save in the lower-right corner of the window.
5. Click Yes.

Configure Web Anti-Virus so that your Kaspersky application checks websites for advertising.

1. In the main window of your Kaspersky application, click .

1. To learn how to open the main application window, see this instruction.

2. In the Settings window, select Protection → Web Anti-Virus.

3. In the Web Anti-Virus settings window, click Advanced Settings.

4. Select the check box Check the URL against the database of URLs containing adware and click Save.

5. Click Yes.

When Web Anti-Virus is enabled, the application will alert you if you attempt to open an advertising website.