I also get "access denied", but why do you want v2.15 instead of our latest version, both require the same DLC packs.

Is the file name correct, does it contain a (1), or any other number between brackets, in the file name? If so remove it and try again.

Your loading order is probably incorrect, please make sure it's correct viewtopic.php?f=42&t=14523

Same answer as Mandelsoft, we need your log to confirm it's a ProMods problem.

You are also using another mod. 00:00:11.844 : [zipfs] zzz.ScandinaviaMod_PM_Expansion-map.scs: Mounted, 64 entries [0xee1cd33a] 00:00:11.844 : [mod_package_manager] Mod "ScandinaviaMod Map Package" has been mount. (package_name: zzz.ScandinaviaMod_PM_Expansion-map, version: 0.3, source: U...

Update your Jazzycat mods, they are really old. Also you can't use both, choose one: 00:00:09.928 : [zipfs] promods-tcp-def-trailers-replacement-v115.scs: Mounted, 603 entries [0x40171742] 00:00:09.928 : [mod_package_manager] Mod "ProMods Trailer and Company Pack (Trailer Definitions as Replace...

Maybe the Jazzycat mods has to do something with that, my loading times are about 1-2 minutes and I'm using a SSD.

Maybe this can help you: help.php?mode=nodllink.

We need your full log, if it's too big you can use http://www.pastebin.com and send us the link.

Please read the red text above.