1. On the computer with the installed Anti-Virus Console go to Start > Control Panel > Windows Firewall
2. In the dialog window Windows Firewall on the Exceptions tab click the Add Port button
3. In the open window in the Name field enter Anti-Virus DCOM, in the Port number enter 135, and choose TCP protocol.
Click OK.
4. On the Exceptions tab click the Add Program button
5. In the Add a Program window click the Browse button and specify the path to the file kavfsrcn.exe. It resides in the folder which you defined as a target setup folder when installing Anti-Virus Administrative Tools. By default the full path to the file is following: