Please somebody advice me how i can run external application from web browser on client side
Like this:
http://ucp-anticheat.org/monitor.html
If you click one row on that link browser asks permissions.
This web page makes this with installed service on windows.
I dont know how to google it please advice me something
You need to create a client app that the client must install, and based on the protocol u can execute yr app based on that link.
same like utorrent opens magnets and torrent files
have a look here
http://msdn.microsoft.com/en-us/library/aa767914.aspx