Locate the folder with the executable file of the program you want to block. If you need to find it on the shortcut, click the right mouse button and select "Properties". In a field named "Location" you specify the path to the executable file, whose name will be approximately as follows: "C:\Program Files\Game\Gamefile.exe". Hence it is possible to go to the desired folder.
Click "start" then "Run", type "wscui.cpl" without quotes and press Enter. So you start the "security Center" Windows . Make sure that you have activated the option "On" (or Enabled), and then select Windows Firewall. If protection is not enabled, select the tab "General settings" and click "On".
Select the Exceptions tab and scroll the list of programs and services. If you are interested in the program is in the list, uncheck the check box next to its name, clicking on it. This will block the program. If necessary, remove the tick from "Display a notification when Windows Firewall blocks a program" to program block without notifying the user.
Add the desired program to the list if it exists. Select "Add" then "Browse". Navigate to the desired folder, select the executable file (*.EXE) and click Open. The program will be added to the list of firewall. Verify that the program is in the blocked list. Scroll down the list, find it and remove the checkbox to activate the lock.
If the program is not blocked, go to the tab firewall Advanced. Select an installed Internet connection and click "Settings". If the Protocol of the program (e.g., HTTP, if you want to block web browser) are available in the list does not allow to block her, she is the system, so blocking firewall will not work.
Advice 2: How to remove computer lock
In a series of operating systems "Windows" is an interesting feature. When the user of the computer fades for some time, the computer is automatically locked. On the one hand, the function is very useful, but on the other hand, if no one from whom to hide the contents of the computer, the function is just an annoyance. For example, the user like the screen saver, but after 5 minutes of inactivity the system appears on the screen lock.
To remove a permanent lock on the desktop of our computer, you must perform the following actions. Minimize all open Windows, if such is available, and click the right mouse button on the desktop. Select the line "Properties". In the opened window, select the "screen Saver". In this tab you can find the value of "password Protection", remove the check mark by clicking the left mouse button. Click "Apply" or "OK". Enjoy the result. When the system fails, then this method might not work. You need to get into the "wilds" of system settings.
Run the command "Run" from the start menu. Input "gpedit.msc" and go to the "Group policy". In the opened window looking for the folder "Administrative templates" - "System" - "Ctrl+Alt+Del" - "remove lock computer". The lock still has not disappeared, it happens, move on to the next method.
You need to start a window with "system Properties". "Start" - "control Panel" - "system Properties". Select the tab "Advanced" - "environment Variables". In this window, select variable "PATH" and open it by double click. In the input field recorded the value of the variable "%SystemRoot%system32;%SystemRoot%;%SystemRoot%system32WBEM". Click "OK". If you see that there are other variables, do not delete them.