My computer runs too slowly

The fix: “This is a common problem as computers get older,” says Richard. “But there are a number of ways to make it start faster, such as deleting unwanted programmes, removing temporary files and regularly restarting your computer. You only really need one good security programme per computer or tablet (such as free services Kaspersky or Sophos – you can find them on Google) so, if you have multiple security programmes, you can remove any you aren’t using.”