Strange goings on

I am very sorry for the state of my website lately. there are many things that need to be changed, deleted or added.Unfortunately I do not do the main basic developments regarding technicalities of this website and rely on other people to help me do that.I have no person at the moment to help and those that were managing my site have let me down and not bothered to do what needs to be done. Also I have difficulties even uploading new material as it seems to disappear ! for no apparent reason. I can only access my three blogs and with difficulty for unknown reasons.It maybe connected to word press and 4.7.2 which has been infected.Can someone help ? Please bare with me, thanks. Jonathan