Using Windows 7 (64 Bit) and Firefox 3.5.7

I downloaded the v2820_333_232201_A.zip file from the Draytek UK website and unzipped the files into C:\TEMP\DRAYTEK.

I then go to the Router System Maintenance -> Firmware Upgrade page, browse to the v2820_v333_232201_A.all file in the above directory, click the Upgrade button and the router responds with "Firmware filename is invalid. Please check"

Which firmware is on the router at the moment? If it's before version 3.3.1.2, you'll get that error message with any browser other than Internet Explorer, it's fixed in the later firmware versions.

Version was 3.2.1, so that explains the problem.

Managed to use the Internet Explorer in W7s "Virtual XP" mode to perform the upgrade, so all is now OK.

Many thanks for the help.

Peter@systemcv