How To Block An Application Using A Hash Rule.

Problem:

Sometimes we need  to stop users from running certain applications on there pc`s over network. Applications like messenger services or games etc. You can block any type of application from running on a windows domain with a simple GPO (Group Policy). The thing we enable is called a hash rule , We can enable it on the network to stop users from open application.

 

Solution:

Run The Group policy tool either the via console one or the Group Policy management console

Go To:
Computer Configuration > Windows Settings >Security Settings >Software Restriction Policies

At Software Restriction Policies folder Right click and select Create New Policies or New Software Restriction Policies. The software restriction tab will expand to show the following folders:

Select the Additional Rules Folder:

Right click on the additional Rules and click New Hash Rule.

Navigate to the app you would like to block…

You can now apply the GPO to the users you require to block the app for.

Have Fun!.