This problem with the Windows Journal Viewer is ridiculously easy to
fix - but only if you are comfortable adding a registry key!

The installation of Windows Journal Viewer fails to create a registry
key within each existing user profile on a system (including the
Default User Profile).

The Key Name is:
HKCU/Software/Microsoft/Journal Viewer

note that there are no values within the Keyname itself.

Placing the key value within the default user profile allows any new
users of a system to pickup the setting automatically.

We use an Altiris RapidInstall package to apply the key to all
existing profiles on a system right after the Windows Journal Viewer
is installed.

Presumably this same problem and a similar fix may also work for those
with the Messenger problem.

Andrew