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Steam runtime communication error after verifying files' integrity.

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I believe this is self-sufficient. After trying to load with the same checksum as my friend (modded Multiplayer, sometimes desynchs for some reason) I verified Stellaris files' integrity. After that the launcher started displaying "Steam runtime communication error" during the launch. It can be ignored, but launching with any modpack (including an empty one) is impossible, since it shows a Steam error. Reinstalling launcher and rebooting the computer did nothing, as did the additional files' integrity check.
 
Does that Steam verify process find anything to fix?

If so, my guess is one or more of your mods is (incorrectly) putting or changing files in the game's folder, instead of the mod folder.
 
AndrewT said:
Does that Steam verify process find anything to fix?

If so, my guess is one or more of your mods is (incorrectly) putting or changing files in the game's folder, instead of the mod folder.
Click to expand...
I do not believe it did, no.

Currently I am trying to follow the steps given in a similar case in this discussion:
forum.paradoxplaza.com

"steam runtime communication error: we had trouble communicating with steam." error. help me.

so today i had to uninstall and reinstall steam to fix an issue and now have to reinstall all of my games obviously eu4 is one of them. it reinstalled fairly quickly and i was going to start as new campaign while the rest of my games downloaded...
forum.paradoxplaza.com forum.paradoxplaza.com

When the game finishes loading the mods I will try loading it again and report the results.
 
None of the mods updated in the past 24 hours seem to be the cause.
And regardless, I now realise this could not be the average issue. I have installed those to play with a friend. He has the same mod setup as me, and his launcher did not exhibit such behaviour.
 
I don't know then. You should be on launcher 2023.1.1 now, is that right?

If so, Please try the following:

- unsubscribe from all mods in BOTH the Steam Workshop and the Paradox mod site mods.paradoxplaza.com
- delete the folder Documents/Paradox Interactive/Stellaris/mod/
- delete the file Documents/Paradox Interactive/Stellaris/mods_registry.json (if present)
- delete the file Documents/Paradox Interactive/Stellaris/launcher-v2.sqlite (if present)
- run the game up and check the launcher is okay with no mod or other errors
- subscribe to a few mods

- run the game up and see if those mods are now available to you.

I hope that does it for you!
 
AndrewT said:
I don't know then. You should be on launcher 2023.1.1 now, is that right?

If so, Please try the following:

- unsubscribe from all mods in BOTH the Steam Workshop and the Paradox mod site mods.paradoxplaza.com
- delete the folder Documents/Paradox Interactive/Stellaris/mod/
- delete the file Documents/Paradox Interactive/Stellaris/mods_registry.json (if present)
- delete the file Documents/Paradox Interactive/Stellaris/launcher-v2.sqlite (if present)
- run the game up and check the launcher is okay with no mod or other errors
- subscribe to a few mods

- run the game up and see if those mods are now available to you.

I hope that does it for you!
Click to expand...
Oh boy... I hoped to avoid the nuclear option here. Is there a way to keep the list of all the mods in your subscriptions or somesuch in Steam? I would very much like to return to status quo quicker...
 
Aaaaand the error still appears despite the lack of mods. My launcher still sends me this same error. Steam is running, does not have admin privileges, and my firewall is not blocking the game. I have no idea how else to resolve the issue...
 
Probably time to employ the thermo-nuclear option then, I'm sorry!

- move any valued save games elsewhere, and user empire designs.txt from /Documents/Paradox Interactive/Stellaris/ if you have made any custom empires or races.
- "uninstall" in Steam-Stellaris
- exit the Steam app entirely
- manually delete both the Steam/SteamApps/common/Stellaris AND Documents/Paradox Interactive/Stellaris folders
- delete everything in the Steam folder EXCEPT steam.exe and the SteamApps folder
- run steam.exe to rebuild all that
- re-install game in Steam, run a Steam Verify when done.
- add stellaris.exe to the exceptions list of your antivirus app; ESPECIALLY if you have Windows Defender, add it to the Ransomware "Apps Allowed Through" list.
- start the game with no mods active and test
- now try the mods

Good luck!
 
AndrewT said:
Probably time to employ the thermo-nuclear option then, I'm sorry!

- move any valued save games elsewhere, and user empire designs.txt from /Documents/Paradox Interactive/Stellaris/ if you have made any custom empires or races.
- "uninstall" in Steam-Stellaris
- exit the Steam app entirely
- manually delete both the Steam/SteamApps/common/Stellaris AND Documents/Paradox Interactive/Stellaris folders
- delete everything in the Steam folder EXCEPT steam.exe and the SteamApps folder
- run steam.exe to rebuild all that
- re-install game in Steam, run a Steam Verify when done.
- add stellaris.exe to the exceptions list of your antivirus app; ESPECIALLY if you have Windows Defender, add it to the Ransomware "Apps Allowed Through" list.
- start the game with no mods active and test
- now try the mods

Good luck!
Click to expand...
Umm... I did that before. Remember me mentioning the other thread? I tried removing Stellaris and clearing everything in Steam folder sans the actual games.
Maybe I haven't tried verifying afterwards, but other steps were done (up to "start with no mods" since I never tried removing them all).
 
AndrewT said:
Probably time to employ the thermo-nuclear option then, I'm sorry!

- move any valued save games elsewhere, and user empire designs.txt from /Documents/Paradox Interactive/Stellaris/ if you have made any custom empires or races.
- "uninstall" in Steam-Stellaris
- exit the Steam app entirely
- manually delete both the Steam/SteamApps/common/Stellaris AND Documents/Paradox Interactive/Stellaris folders
- delete everything in the Steam folder EXCEPT steam.exe and the SteamApps folder
- run steam.exe to rebuild all that
- re-install game in Steam, run a Steam Verify when done.
- add stellaris.exe to the exceptions list of your antivirus app; ESPECIALLY if you have Windows Defender, add it to the Ransomware "Apps Allowed Through" list.
- start the game with no mods active and test
- now try the mods

Good luck!
Click to expand...
Fresh reinstall according to this guideline. Turned off the Windows Defender. Still this error. No mods installed.
 
I don't know then.

What if you make a new Windows user on this machine and log into it with that?
 
Then either there are still game, mod or launcher files left in your original Windows user profile folders, OR that profile is bugged or corrupted in some way.

I can't think of anything else that could cause this to you!
 
AndrewT said:
Then either there are still game, mod or launcher files left in your original Windows user profile folders, OR that profile is bugged or corrupted in some way.

I can't think of anything else that could cause this to you!
Click to expand...
Okay, this is something incredibly curious. I deleted everything there was to have with Stellaris and Paradox on my computer, sans error reports and files for NVidia optimisations. After a clean reload, everything seemed to be working fine! ...Until it updated to the newest version. After the update there were only a few mods in the list of installed mods, around 20 (instead of actual 200-ish). I left the launcher, went to check on my mods and also subscribed to an additional one. After that I launched Stellaris, and the error returned!

...Maybe I can get around this if I both unsub from mods to check on stuff AND do a full cleanup again.
 
I don't know how this problem could occur as you describe in one Window user profile but not another, unless there are still some game, mod or launcher files left in your original Windows user profile folders.
 
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