I have done the usual updates and upgrades and checked my sources file.
When I run:
sudo apt-cache showpkg x2vnc
I see:
Package: x2vnc
Versions:
1.7.2-5 (/var/lib/apt/lists/mirrordirector.raspbian.org_raspbian_dists_jessie_main_binary-armhf_Packages) (/var/lib/apt/lists/archive.raspbian.org_raspbian_dists_jessie_main_binary-armhf_Packages)
Description Language:
File: /var/lib/apt/lists/mirrordirector.raspbian.org_raspbian_dists_jessie_main_binary-armhf_Packages
MD5: 18d0504a7dbfc1cf93743b234a7886a4
Reverse Depends:
harden-clients,x2vnc
Dependencies:
1.7.2-5 - libc6 (2 2.13-28) libice6 (2 1:1.0.0) libsm6 (0 (null)) libx11-6 (0 (null)) libxext6 (0 (null)) libxinerama1 (0 (null)) libxss1 (0 (null)) vnc4server (0 (null)) xvnc4viewer (0 (null)) tightvncserver (0 (null)) xtightvncviewer (0 (null))
Provides:
1.7.2-5 -
Reverse Provides:
So it appears to find it then but not when it goes to install it. I have also done a firmware upgrade and reboot. Ran out of ideas. Source list also looks OK.
Update and Upgrade run fine with no errors.