On 2011-07-17, Cousin Stanley <cousinstanley@hotmail.com> wrote: > > Using a debian squeeze host for a Virtual Box 4.0.12 > debian sid guest, about a month ago I started having > invalid magic cookie problems when trying to do > anything X related from a terminal .... (...) Are you running applications entirely within the Virtual Box guest? Or trying to forward output to the host display? Or something else? -- Liam O'Toole Cork, Ireland