I myself have had serious problems with this aspect.
I contacted the paper that put the details of my crime on-line and made a complaint to the editor and the press commission.
I even quoted the human rights act, freedom to family life clause, but that didn't help.
Everybody states the "freedom of press" stance and "free speech".
The problem is I have a rather unique surname, so when you type this into a search engine, up pops the article.
IF anybody else has managed to get there details removed, please feel free to share the experience.
I am sure there are thousands of people still on the net, despite having served their sentences which are now classed as spent.