Sometime, you intend to block an application to visit Internet or you intend to block an application from running in your computer, of course, there are many reasons when you make the decision. However, how to block an application to visit Internet and how to block an application from running in your computer? The following manual will discover how to block an application with Windows firewall.

 

1. Block An Application With Windows Firewall

 

Windows Firewall is a software component of Microsoft Windows that provides firewalling and packet filtering functions. It was first included in Windows XP and Windows Server 2003. Prior to the release of Windows XP Service Pack 2 in 2004, it was known as Internet Connection Firewall. Windows Firewall helps provide protection from malicious users and programs that rely on unsolicited incoming traffic to attack computers. Below, we together learn how to block an application with Windows firewall:

 

1). Click Start and open the Control Panel.

 

2). Select Security Center.

 

3). In the Manage security settings for area, select Windows Firewall.

 

4). Select the Exceptions tab.

 

5). Check an application to allow access to the network, uncheck it to block access. If the program isn’t listed, select the Add Program… button to add it to the list.

 

Windows firewall is powerful, you can use it to block an application to visit Internet as above way. However, it can not block an application from running. So, how to block an application from running, please continue to read the following part of this writing.

 

2. Block An Application From Running

 

If you intend to block an application from running in your computer, you need to download a third-party software, in fact, Windows doesn't offer this function natively. Which software can help you to block an application from running? You can try Screenshot Keylogger software, this is a powerful surveillance software and you can use it to block an application from running. Below, I list instructions to block an application from running:

 

1). Download Screenshot Keylogger software from HERE, and install it into your computer.

 

2). Press 'ctrl+alt+shift+s' to wake up the operation UI of the software.

 

3). Click 'Control' tag and click 'Application Black List' button to open 'Application Black List' dialog.

 

4). Add file name of a application into the black list and then tick 'Enable Aapplication Black List' check box.

 

Ok, after you complete these steps, the application will be blocked from running in the computer. You can free download the software by clicking the following button.