Payment Protection Insurance cold callers nuisance
29 August 2013 Last updated at 07:48 BST
Two in three adults in Britain have received unwanted phone calls, text messages, emails or letters about mis-sold Payment Protection Insurance, according to figures from Citizens Advice.
More than half of those asked said they had been contacted more than ten times over the last year, and nearly all of them felt they hadn't given their permission to be approached.
Andy Moore reports.