using firefox 37.0.2 

Java(TM) Plug-in 11.45.2 

Linux (3.13.0-52-generic) , amd64 64bit 

Java: 1.8.0_45; Java HotSpot(TM) 64-Bit Server VM (25.45-b02, mixed mode) 

having cleared cookies, cache rebooting system and browser

it hangs - its probably probably something simple

but I've tried all I can think of for several days now

and I'm out of ideas

here are some log excerpts
Cmds
  16:07:00 ID 0 AUTH Retries: 3 Arrived: Failed
    16:05:30 Send: AUTH autopass=*** client=aniadd clientver=4 comp=1 enc=UTF8 nat=1 protover=3 sess=*** user=belated_1 
  16:50:32 ID 1 AUTH Retries: 3 Arrived: Failed
    16:49:01 Send: AUTH autopass=*** client=aniadd clientver=4 comp=1 enc=UTF8 nat=1 protover=3 sess=*** user=belated_1 
  16:58:03 ID 2 AUTH Retries: 3 Arrived: Failed

Event Log
  File [Cthuko] Dungeon ni Deai o Motomeru no wa Machigatteiru Darou ka - 04 [720p H264 AAC][61A2D91F].mkv: Sending packets to AniDB
    Parsing done (533MB in 6.6s with 80mb/s)
    Sending packets to AniDB (FILE and MYLIST)
  File [A-FanRips]Kikoushi_Enma_-_02_R1DVD_[x264.AAC_5.1]_[210C9793].mkv: Sending packets to AniDB
    Parsing done (148MB in 1.8s with 79mb/s)
    Sending packets to AniDB (FILE and MYLIST)
  File [A-FanRips]Kikoushi_Enma_-_01_R1DVD_[x264.AAC_5.1]_[5B9F1F62].mkv: Sending packets to AniDB
    Parsing done (139MB in 1.9s with 71mb/s)