Failed after 4 tries

[f1madfrancis]

BASIC INFO
Server OS: Vista 32 bit
Processor: AMD 64x2 4400+ 2.3ghz (Dual core)
Ram: 3GB.
Game(s): TF2
Start Up Command: C:\hlserver\steamcmd_win32\tf2\srcds.exe -console -game tf +map cp_badlands +maxplayers 12 +sv_pure 1 +exec server .cfg

NETWORK AND BANDWIDTH INFO
Bandwidth: 3.36 up 0.36 Down
Router: Thompson Speedtouch ST585v6sl
Local IP of Server: 192.168.1.66
External IP: 92.15.124.162
Port Forwarding Screen Shot:

Hey can someone help. I my friends keep getting the error "failed after 4 retries".

One friend in the developers console also got this message
"connect 92.6.79.10:27015
Network: IP 192.168.1.76, mode MP, dedicated No, ports 27015 SV / 27005 CL
Connecting to 92.6.79.10:27015...
Retrying 92.6.79.10:27015...
Retrying 92.6.79.10:27015...
Retrying 92.6.79.10:27015..."

Thanks in advance.

F1MadFrancis