ERLite Firmware Update problem ...

Hello again,

I've just received my ERLite today and first thing, I wanted to update it to v1.9.1 but for whatever reason, it didn't allow me to upload the image completely. It always failed at around 88% :

I've tried it from a PC (Windows 7 with Chrome or Internet Explorer) and on a Mac with Safari or Firefox) and with the Router attached to my LAN or directly to the PC/Mac - always with the same result.

Space should be enough on the router :

ubnt@10.20.200.250's password:
Linux ubnt 2.6.32.13-UBNT #1 SMP Tue Jun 4 14:54:28 PDT 2013 mips64
Welcome to EdgeOS
ubnt@ubnt:~$ df -h
Filesystem                Size      Used Available Use% Mounted on
/dev/root                 1.6G     95.4M      1.4G   6% /root.dev
unionfs                   1.6G     95.4M      1.4G   6% /
tmpfs                   236.3M         0    236.3M   0% /lib/init/rw
tmpfs                   236.3M     60.0K    236.2M   0% /var/run
tmpfs                   236.3M     56.0K    236.2M   0% /var/log
tmpfs                   236.3M         0    236.3M   0% /var/lock
tmpfs                   236.3M      4.0K    236.3M   0% /dev/shm
tmpfs                   236.3M         0    236.3M   0% /tmp
none                    236.3M     80.0K    236.2M   0% /opt/vyatta/config

 BTW : This Router is brandnew with still a Firmware 1.2.0 on it.

Any ideas, why that might happen ?

Thanks, Sven