Microsoft spokesman Mark Murray, who had not yet seen the suit, said the software maker runs thorough tests of all its software products before they are allowed out the door.

CNN: Microsoft hit with Windows-related class-action lawsuit

The Prison Officers' Association said they had no confidence in Robin Masefield, Mark McGuckin and Max Murray.

BBC: Prison officers in 'resign' call

Chaired by Morley's widow Ruth Leon, this year's panel included theatre critic Mark Shenton, director Braham Murray and the actor and writer Isla Blair, who was on last year's shortlist for A Tiger's Wedding.

BBC: Rupert Everett memoir wins theatre biography prize