(general zombie mode fixes guide, options in order of efficiency)
-Custom map crashes at launch
a.Retry, restart game instead of jump between different maps
b.Enable T4M if required by the map
c.Launch without mods and set textures to High or lower then retry
d.Disable or enable Specular map
e.Disable common.ff menu mod if any
-Textures glitches on custom maps
a.Restart game without mods and set textures to high or lower then retry
b.Try a different T4M version
c.Disable T4M if map doesn't require it
-Game does not start
a.Update directx
b.Install Visual C++ redistributables
-Maps crashes when leaving coop on host side
a.Disable T4M if map doesn't require it
b.Try r72 T4M version
c.Launch without mods and set textures to High or lower then retry
d.Disable common.ff cheats menu mod if any
-Multiplayer does not launch using T4M
a.Enable T4M r72 (not tested on punkbuster servers. use at you own risk.)
b.Disable T4M
-Game freezes on alt-tab
Enable borderless windowed
-Hud is not displayed correctly
Switch back to fullscreen
-In windowed mode the map is too dark
a.Adjust brighness from map manager options
b.Use console command r_brightness
c.Switch to fullscreen
-Drop weapon key is not working
a.Make sure all players enabled lanfix using pro launcher (a special cheats patched lanfix is used)
b.Make sure host enabled cheats by holding capslock key (same as typing sv_cheats 1 into console) note that sv_cheats 1 code will be sent automatically before every dropweapon activation
c.Make sure map allows cheats
-Coop over head name tags are too small/big
You can adjust size by manually editing the overheadNamesSize entry into launcher config file (game root/launcher/cfg)
-Mouse can't move on lower part of screen after enabling borderless windowed mode
Quit game and switch back to fullscreen, launch game then exit and restore bordeless mode
-Game resets video settings
a.Do not use T4m r72 (it will accept by default the optimal settings message)
b.Restart your computer
c.Make sure your config.cfg is not read only
d.Delete config.cfg and config_mp.cfg from your current profile folder and restart launcher
e.Click on fullscreen or windowed button to restore your correct display settings/refresh rate then start game to apply. When using r72 keep in mind that config changes will be saved only at map launch.
-Player can't see lan lobbies
a.All player must enable lanfix and launch game via Pro Launcher
b.Check that under Windows "network & internet" settings your wifi network is private not public and network discovery is enabled under advanced sharing settings
c.Make sure game is allowed on all networks into firewall options
d.Make sure you have no other active network connections than the current one under windows control panel "network connections" otherwise disable them
e.Open ports on router
guidef.Try manual lanfix as
here -Steam user after enabling lanfix can't connect to steam hosted coop lobbies
Launch game from steam or disable lanfix
-My steam key does not work online (all post-2020 keys)
You need to buy a retail key and apply the new key using key manager. Make sure lanfix is enabled and always launch game from launcher (steam overwrites key at every game launch)
-Lobby crashed with g_spawn error (caused by exceeding the entities limit usually by the zombie's gibs after throwing a grenade on 3-4 players custom maps coop)
a.Turn off zombie glowing eyes effect on map's _zombiemode_spawners.gsc file (reference
here for turning eyes on Ugx-mods.com
b.Adjust ai limit to 24 or lower on _zombiemode.gsc (search for SetAILimit, zombie_max_ai, zombie_ai_per_player) (search also forlevel.zombie_ai_limit, level.zombie_actor_limit into zombiemode.gsc and mapname.gsc)