Known issueFixUpdated · 11 replies on Steam
Blue Archive: Game Won't Start, Constant "Network Connection Unstable" (Workarounds)
Short answer
Suggested fix (unconfirmed): Verify the integrity of your game files through the Steam library properties. Alternatively, use Cloudflare WARP to bypass the connection issue.
The problem
Heya, I'm wondering if this is happening to anyone else, I just been getting "network connection unstable" whenever I try to boot the game on my PC only. Sometimes I'm able to get past it and play but then if I log out and try to log in again I get the same issue. I have no internet connection issues, everything else works fine as always.
What players suggest
Tbh it got fixed a few updates ago for me...
I got this issue a moment ago too and there is actually a very simple solution for the Steam build for PC. Here's a quick guide for how to fix this on Steam: Make sure the Blue Archive game is fully closed. Go to the game in your Steam library. Press the "Gear Icon" and select "Properties" then "Installed Files". Press the button that says "Verify integrity of game files". Wait for Steam to…
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Source: original Steam Community discussion. Quotes are shortened; all credit goes to the posters. Tags: launch, multiplayer