Portable Adobe Photoshop Lightroom 2.3 MultiLang (Win | 31 MB | RS)
Professional photographer's essential toolbox without installation.
Extract (with a PortableApps folder at the device's root) and run LightroomPortable (select or create a catalog on startup).
Remove in Data\All\CameraRaw\CameraProfiles all files and folders you will not use.
Settings of installed Lightroom should be preserved.