hello, i am having problems with joining games, when the host launces the game, mine does not join and comes up with a error, NAT traversal ( readyforconnect failed!)

Non-DirectPlay game path is 'd:\steam1\steam\steam2\SteamApps\common\Age2HD'
Verifying 'ebueulax.dll' exists...
Verifying 'age2_x1\age2_x1.exe' exists...
Verifying 'language_x1_p1.dll' exists...
Verifying 'Sound\music.m3u' exists...
Verifying 'data\graphics.drs' exists...
Verifying 'd:\steam1\steam\steam2\SteamApps\common\Age2HD\age2_x1\age2_x1.exe' exists...
Success!
Voobly path is 'c:\program files (x86)\voobly'
Game version is '1.0C-VLY'
Verifying 'd:\steam1\steam\steam2\SteamApps\common\Age2HD\language_x1_p1.dll' exists...
Success!
Checking DirectPlay libraries...
Looking for dpwsockx.dll...
Looking for dplayx.dll...
'c:\windows\system32\dplayx.dll' size: 215552 bytes
DirectPlay Init Success!
Scanning installed DirectPlay games...
Age of Empires II - The Conquerors Expansion [found]
Game was found in DirectPlay registry!
DirectPlay play thinks the game is installed at 'd:\steam1\steam\steam2\SteamApps\common\Age2HD'
DirectPlay command line is 'Lobby'
DirectPlay play thinks the game exe is at 'd:\steam1\steam\steam2\SteamApps\common\Age2HD\AGE2_X1\age2_x1.exe'
Verifying file exists... Success!
Scanning 'c:\program files (x86)\voobly\gamedata\AOC\age2_x1.exe'
Success!

Assuming that you did purchase the game from Steam, please follow the steps mentioned here to perform a clean installation of the game:
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Please make sure that you install the game on your C drive in its default directory. If you follow the guide as is, you shouldn't have a problem.