You paid for 'pro' and registered it ... but it balks.
NCH PhotoStage registration issues
often stem from version mismatches after updates, invalid key entry (spaces), or firewall blocks. To resolve, ensure you are using the correct license key, check that the installed version matches your purchase date (or upgrade), and temporarily disable security software to allow registration.
Key Troubleshooting Steps:
Verify Code: Ensure the license code is entered exactly, without extra spaces, as described on JustAnswer and in the NCH Software support forum.
Version Mismatch: If you reinstalled, you may have downloaded a newer version not covered by your license; use an older version or update your license at nch.com.au/upgrade.
Firewall Issues: Temporarily disable firewalls or antivirus software, which may block the activation server.
Reinstall: Uninstall and reinstall the software before re-entering the registration code, as suggested in this JustAnswer article.
Contact Support: Use the NCH Technical Support page to submit a ticket if the issue persists, as advised in the NCH Software documentation.
For further assistance, you can fill out a contact form for purchasing and registering licenses on the NCH website.
If you receive no response please come back here.