Trying to install 3/11/15 Update

Getting this error message when I click “Install” on the latest version of Scrivener:
Installation & Runtime location mismatch
Runtime Location:
I purchased Scrivener 2 years ago and would like this new update. Thanks!

Are you trying to install the update from within Scrivener? If so, try downloading direct from the L&L site and installing over your current installation. That should work. If not, I’m stuck.

Yes, downloading a fresh copy of the installer (which you can just run, no need to uninstall unless you have problems after updating) from the main page. This error message was from a bug in the updater itself, that was fixed a long while ago. The bug made it impossible to automatically update.