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Error codeDead by DaylightWindows PC
Dead by Daylight: "Launch Error"
Anti-cheat blocks an outdated driver
Since a security update in July 2026, the game can refuse to start when it finds an outdated driver or tool. Common ones are RGB, overclocking, hardware monitoring, BIOS and maker updater utilities.
How to fix "Launch Error"
Read the error to see which driver or program it names.
Go to that software's own help site and install the newest version.
If a new launch error appears, update the next program it names.
On Linux or Steam Deck you don't need to change anything.
From Dead by Daylight's help pages: support.deadbydaylight.com, in our words. Checked on 11 November 2026. If the steps do not help, Dead by Daylight's own support is the next stop.
More Dead by Daylight errors and common problems
- Game crashesOld drivers, damaged files or background apps
- Keeps disconnectingWeak Wi-Fi, router or DNS trouble
- Can't join a matchModerate or Strict NAT limits connections
- Matchmaking lockedDisconnection penalty after leaving matches
- Game Security Violation DetectedRGB lighting software conflicts with EAC
- Error Code 130Servers busy with too many logins
- Error Code 107Connection dropped and came back
- Untrusted System FileWindows system files are damaged
- Version MismatchYou and your friends run different versions
- EAC Error Code 4Easy Anti-Cheat could not verify the game
All Dead by Daylight errors and common problemsLive Dead by Daylight status