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Glory To The Heroes "Fatal error" on startup (fix)

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IsThisGameDown

Last checked

September 23, 2026

The main menu never loads. Instead a dialog reading simply "Fatal error" appears; clicking OK closes the game.

Also appears as: glory to the heroes fatal error, fatal error glory to the heroes, main menu doesn't load fatal error, glory to the heroes failed to connect

Multiple playtest participants have hit this exact dialog across separate Glory To The Heroes tests, going back to a March 2026 closed test and recurring into the September 2026 Server Slam. One affected player found and posted a fix that resolved it for them: running the Unreal Engine prerequisites installer bundled with the game and deleting a leftover local save folder. It's an install-corruption or missing-dependency issue on the player's machine, not a server problem — the same dialog text has also been reported by players describing an inability to connect during loading, which may be the same underlying failure surfacing differently.

What to try

  1. 01Run UEPrereqSetup_x64 from the game's installed Engine directory, then delete the GloryToTheHeroes folder from %localappdata%\ (i.e. User\AppData\Local\GloryToTheHeroes) before relaunching. One player on Steam Discussions confirmed this resolved the exact "Fatal error" dialog for them.Reported
  2. 02If the error appears alongside a connection failure during the loading screen rather than immediately, check Deaf Tone Games' official channels (Steam news hub for app 2239670, Discord) for an active playtest outage before retrying — a handful of reports describe both symptoms together.Unconfirmed

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