Before we dive into the fixes, let’s clarify what CyberGhost considers a valid "Login ID and Password."

Unlike some legacy VPNs that use usernames, CyberGhost has moved to an email-based system.

Important Distinction: If you bought CyberGhost through a third-party reseller (like StackSocial or the Apple App Store), you might have received an "Activation Code" initially. That code is not your permanent password. You must first convert that code into an account with an email and password on their website.

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If you are in a hurry, run through this checklist first. These solve 80% of login issues instantly.

Do not trust the app. Trust the website.

Outcome A: You log into the website perfectly, but the app fails.

Outcome B: You cannot log into the website either.

If you're experiencing repeated login failures, your account might be locked out: