Regenerar la config de xstartup

1. Regenerar la config de xstartup: mkdir -p ~/.vnc/
{
echo '#!/bin/sh';
echo;
echo '[ -r $HOME/.Xresources ] && xrdb $HOME/.Xresources';
echo 'xsetroot -solid grey';
echo 'export XKL_XMODMAP_DISABLE=1';
echo 'export LANG=es_ES.UTF-8';
echo 'export LANGUAGE=es_ES.UTF-8';
echo 'vncconfig -iconic &';
echo '/usr/bin/startlxde &';
} > ~/.vnc/xstartup
chmod +x ~/.vnc/xstartup

2: Prender VNC de nuevo: tightvncserver :1 -localhost -geometry 1024x768 -depth 16