I’m not sure who to blame, but after switching to Windows Vista on one of my development workstations, I’ve been unable to get the Firefox 3 plug-in for LogMeIn.com to work.  No matter how many times I tried to install it, no plug-in files appeared on my computer.  I even tried running Firefox 3 with elevated privileges, but that didn’t help. 

So, instead, I manually installed the plug-in by performing these steps:

  1. Download the XPI from https://secure.logmein.com/activex/npRACtrl.xpi.  You may need to use Internet Explorer since Firefox will probably just try to install the plug-in for you.
  2. Extract the XPI to a temporary folder.
  3. Copy the following files to the plugins directory of your Mozilla Firefox folder: unicows.dll, LMIProxyHelper.exe, npRACtrl.dll, ractrlkeyhook.dll.