bad constomer service

hi. I am not happy with old mutual on how they are treating me at this moment, I am a widow who lost her husband 5 months ago, they are busy making me running up and down. I have opened a late estate account and it was blocked because at fnb they did not send a prove of resident so now everything its fine but still they cant send me the money that I am waiting for instead they busy making me run up and down. I am tired and frustrated of this. please assist