Wanted to share my experience and caution...Adobe released an update for Lightroom 4. This update is supposed to change the version from 4.4 to 4.4.1 and is to provide additional raw support for new cameras as well as improve the cloning functionality.
I tried to update Lightroom 4 and it disappeared. No more shortcuts. I went to the folder where Lightroom 4 resides and tried to launch the application. An error message indicated that a .dll file was missing. I rolled back my computer to reflect programs prior to the update. I rebooted the computer. Once complete, I tried to launch L