Originally Posted by Livid
I got the same "Error!! 5-64" on my Fry's special HT-RC360. The error was displayed almost the instant I started downloading the update. The previous firmware update worked fine a week or two ago. Pulling the power cord and plugging it back in at least got the receiver working again.
I tried again and the firmware update worked! Maybe error 5-64 means "server busy". :P The only thing I did differently was switch to an unused input (blu-ray) before doing the update.
Panasonic TC-P65VT30, Denon AVR-X6200W, Polk LSiM 703 x 2, LSiM 704c, OWM3 x 6, Velodyne Optimum 10, Apple TV 4th Gen., TiVo Roamio Pro, Panasonic DMP-BDT110, Wii U, Xbox 360, Panamax MR4000, Harmony Elite.