Could not activate the license key
Install wizard shows installWizard.errors.licenseFailed when license activation fails without a more specific network message.
Why this happens
Invalid/revoked key, domain mismatch, or license API rejection. Network-specific: Phase 70 Network error while activating the license…
Diagnose and fix
1. Recheck the key from your xfileultra.com account.
2. Confirm the domain matches the activation.
3. Ensure the server can reach xfileultra.com.
4. See What the license key does / First-run install wizard.