There was an error installing X-plane. Error 3-1 (-1)

[lfishe 2]

This is the error message that I get each time I try to update.i  I tells me that I have an  update available . Please help.

ABOUT THIS COPY OF X-PLANE

 "X-Plane 11.01r2 (build 11012 64 bit)".

ERROR UPDATING X-PLANE

There was an error launching the installer: Error 3-1 (-1)

 

[Murmur 3,941]

Try running the manual updater. You can find it here (even if it says demo, it actually works for both the demo AND the full version):

http://www.x-plane.com/desktop/try-it/