Version 1.4.16 – December 14th, 2009

* Wi-Fi: improve scan performance and connection manager
* Video: now display subtitles for HD videos
* Video: fix MKV subtitles that were sometimes truncated
* Video: improve youtube video playback
* Video: correct playback of certain M4V/MP4/MOV files
* Video: solve some videos not correctly displayed
* Streaming: Archos Media Player couldn’t open http links containing special characters (space, coma, etc.)
* USB: fix transfer interruptions in USBnet mode
* USB: accessory did not work when USB cable was connected in ADB mode

source: http://update.archos.com/7/archos5/changes_firmware_archos5.html
Download link : http://update.archos.com/7/archos5/archos5_r1.4.16/firmware_archos5.aos

Discuss this firmware update in the forum:
http://forum.archosfans.com/viewtopic.php?f=47&t=28513
and post bugs on the wiki:
http://wiki.archosfans.com/index.php?title=Firmware_Bug_Reports