2026.09.28 19:58(PT)Updated

Error code 65800 when launching the game

Contents
  1. Sync your PC's date and time (try this first)
  2. Update your graphics driver
  3. Still not working?

This error mainly appears when playing on Steam. Please try the steps below in order.

Sync your PC's date and time (try this first)

An incorrect system clock can cause this error.

  1. Open Windows Settings → Time & language → Date & time

  2. Turn on Set time automatically

  3. Click Sync now

  4. Make sure your time zone is correct

  5. Restart the game

Update your graphics driver

If you have an NVIDIA graphics card, open the NVIDIA App (or GeForce Experience), select the Game Ready Driver, and install the latest version. For AMD or Intel graphics, update through your vendor's app.

Still not working?

Open a ticket on our Discord or email [email protected], and attach the following log file:

%USERPROFILE%\AppData\LocalLow\CharacterBank\KnightsOfFiona\Logs\Output.log