Call + sms filter

[WPCentral Question]

Can anybody please tell me ... why my call+sms filter is not working since from after i update to the windows 8.1 in my lumia 520

and Microsoft Please take it as serious thing and why you guys are not taking initiation on this.....

 

[Pete]

Not working in what way? Is the screen not opening, or is the blocking function not blocking things, or something else?