Copy-pasting from a password manager often includes an invisible space at the end. Delete the last character and retype it manually.

ProtonVPN implements brute-force protection. After 5–10 failed login attempts, your account will be temporarily locked (typically 15–30 minutes). Wait and try again carefully.

Since ProtonVPN merged with ProtonMail (and now includes Proton Drive and Proton Calendar), your primary credential pair is a .

Tell me which of those you want, or describe your legitimate account issue and I’ll provide a focused, actionable write-up.

use your primary account password. You must use specific OpenVPN credentials: Proton VPN Log in to your Proton Account dashboard Navigate to the tab in the left-hand menu. Locate the section labeled OpenVPN / IKEv2 username to find your unique manual username and password. Proton VPN 3. Setting Up a New Account If you do not have credentials yet: Proton VPN Free signup page Get Proton VPN Free and follow the prompts to create a username and password. Verification

: It utilizes AES-256 or ChaCha20 for data encryption, depending on the protocol used. protocols or a step-by-step installation guide for a specific operating system?