Version 1.4.2 () (solved)

[★Over]

I can't play multiplayer because when i start the game and I go to multiplayer instead of having the 1.4.2 (a48d) patch like i see in the launcher i have 1.4.2 () like if i have no patch

[bubbas]

The in-game checksum is the only one you should care about.

https://hoi4.paradoxwikis.com/Patches#Checksum_and_mods

The current version is 1.4.2 with the checksum a48d

You need to have the same version AND the same checksum in order to play in the same multiplayer game. Also keep in mind that most mods will change the checksum.

You can first try the 'Clear user directory' button on the launcher and see if that helps. If not then you will need to do a clean re-install.

A clean re-install will fix all checksum issues but is a little more hassle:
http://steamcommunity.com/app/394360/discussions/2/1471966894885959849/
Follow the instructions that start with: Procedure to solve point 1º

[★Over]

the clean reinstall worked