By default, the Chrome Web browser for Windows blocks most unwanted pop-ups, leaving you the option of viewing blocked pop-ups on a case-by-case basis. To adjust the pop-up blocker settings to allow or deny all pop-ups, or to create exceptions that allow or deny pop-ups from specific websites, open the Content Settings window from the Privacy section of Chrome's settings. If Chrome fails to block pop-ups no matter your settings, however, your computer might be infected by malware.
Open the Chrome menu and click "Settings." Alternatively, open the settings page by entering "chrome://settings" in the address bar.
Type "Privacy" without quotation marks into the "Search Settings" box to filter Chrome's long list of options. Press the "Content Settings" button in the search results.
Scroll down in the Content Settings window to the Pop-ups section. Choose "Do Not Allow Any Site to Show Pop-ups (Recommended)" to block all pop-ups other than the exceptions you have set. Alternatively, pick "Allow All Sites to Show Pop-ups" and press "Manage Exceptions" to block only pop-ups on specific sites.
Type a website's address in the "Hostname Pattern" box and choose "Block" in the Behavior column to block pop-ups on a specific site when using the "Allow All" option. When using the "Do Not Allow Any" option, add websites and choose "Allow" to create exceptions for sites with useful pop-ups.