I registered to report this very bug... but I only searched for an existing report after registering. 
I've had this same problem for quite some time (I think for as long as I've been using PatchMyPC), and I keep forgetting to report it. The PatchMyPC installer does list the currently-latest version of FileZilla, 3.62, but it doesn't recognize that I have it installed. I've been using FileZilla for many years, in the default location of "C:\Program Files\FileZilla FTP Client\filezilla.exe", but the only I can "automatically" update it is to launch the app, have it recognize that it's not up-to-date, and download and install its own update.
Any progress on resolving this?
Thanks for the great auto-updater!
I've had this same problem for quite some time (I think for as long as I've been using PatchMyPC), and I keep forgetting to report it. The PatchMyPC installer does list the currently-latest version of FileZilla, 3.62, but it doesn't recognize that I have it installed. I've been using FileZilla for many years, in the default location of "C:\Program Files\FileZilla FTP Client\filezilla.exe", but the only I can "automatically" update it is to launch the app, have it recognize that it's not up-to-date, and download and install its own update.
Any progress on resolving this?
Thanks for the great auto-updater!