I Can't Log In

Quick answers for the most common sign-in complaints.

"Invalid credentials" error.
Your email or password doesn't match what's on file. Double-check both carefully, or use Lost Password? if you're not confident in your password.

The page just reloads with no error.
Check the quick-check math question at the bottom of the form — an incorrect answer there can silently block submission. See The Quick-Check Security Question.

"Your account is not active" or similar.
Your account may be deactivated or suspended. Contact help@xkd.org for details specific to your account.

I don't remember my email address.
See I Forgot Which Email I Used.

None of the above match what I'm seeing.
Walk through the full step-by-step checklist in Troubleshooting Sign-In Issues, or email help@xkd.org directly — see Contacting Support for what to include.