Un-installing the module leaves the default admin page with no valid process.

[netcarver]

After un-installing the module, the default admin page no longer has a valid process assigned, leading to a notice on the screen after login. Perhaps an uninstall() method is needed that re-instates the initial value of the root Admin page's process?

[Notanotherdotcom]

Good call, took it a few steps further too: fef7c12