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Delta Force error 5/1105: login failed (fix)

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IsThisGameDown

Last checked

September 23, 2026

Delta Force Steam Discussions — "5/1105 found fix" ↗

Launching the game shows "Login Failed, please try again. ID: 5/1105" instead of reaching the main menu, blocking login entirely.

Also appears as: delta force error 5/1105, delta force login failed 5/1105, delta force login failed id 5/1105, ID: 5/1105, error code 5/1105, delta force 5 1105

5/1105 is an account-linking conflict, not a server outage — the game's Li-Pass account system thinks the email tied to your account is already linked to a different Steam account, and there's no in-game way to unlink it. The one player-reported fix that consistently works is creating a brand-new Li-Pass account with a different email address, which starts progress over but restores access immediately. A handful of players also report the error clearing after switching to the correct Steam account their Li-Pass was originally linked to, so check that first if you've used more than one Steam account with this game.

Fix it, step by step

  1. Launch from the Steam account your Li-Pass was linked to

    Check whether you're launching from the Steam account your Li-Pass account was originally linked to — if you own or have used more than one Steam account with this game, switch to the original one first.

  2. Create a new Li-Pass account with a different email

    If that doesn't clear it, create a new Li-Pass account with a different email address. A player who did this reported it worked on the first try; it does mean starting Operations/Warfare progress over, since there's no supported way to unlink the conflicting account.

  3. Contact Delta Force support to unlink the account

    If you'd rather not lose progress, contact Delta Force support at [email protected] or through the in-game Player Support FAQ and describe the exact ID:5/1105 message — account-unlink requests have to go through support rather than any client-side fix.

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What people are saying

Notes from players who've hit this one — no time limit, an answer from months ago is still an answer.

  • Nothing reported here yet.
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