In order to do a clean re-install:
1. Export your current settings:
2. Uninstall Quicklaunch in Windows Settings
3. Delete %programdata%/isolatedstorage
4. Ensure that the Meeting Room Account is a member of the local administrators group.
5. Log into the Meeting Room Account
6. Install Quicklaunch from http://qlinstall.ucworkspace.com/v3/production/