Issue:
Reddit confirmed issues: AOE4 Connection Issues : r/aoe4 started as of a few days ago.
I open the game, it seems connected. I start searching for a game and at some point it just disconnects me. An error message sometime pops up briefly. Then the game crashes. Other users have been experiencing this. It only started happening in the last few days. See this reddit:
(please provide a detailed description of the issue)
(use the upload button to include a picture or video of the issue in action if possible)
Trigger Event: Being online / searching for games
(what was happening at the time of the issue. this could be an action you or another player took right before the issue started)
Repro Steps: Be online, wait. Or be online and search for a game. Happens every time for me. Despite internet connection being great.
Warnings.log
RelicCardinal started at 2026-06-26 18:49 [GMT Summer Time UTC 00:00]
OS Win 10.0.26200.0, 16122MB Physical Memory, 4776 Physical Available, 34095 Virtual Total, 6507 Virtual Available, 17973 Page file.
RUN-OPTIONS
WORKING-DIR [C:\Program Files (x86)\Steam\steamapps\common\Age of Empires IV]
USER [wgeng]
COMPUTER [LAPTOP-CK6DPC2K]
LOCALE [en-GB]
…
(I) [18:52:26.737] [000027908]: SystemCertsWin: 60 certificates loaded
(E) [18:52:27.212] [000027908]: LoginAsync - response was failure: -48
(E) [18:52:27.212] [000027908]: WorldwideLoginAsync::HandleSslAuthorizationFailure: TLS authentication failed.
(I) [18:52:27.214] [000027908]: Login attempt: C00T01R-1X-01 52656C6900B7
(E) [18:52:32.374] [000027908]: ExtensionDoExternalCallEvent - response was failure: -48