We have just released WPML 4.3.3. This version resolves all known issues with the major WPML 4.3 release. Please updated and check if the issues that you are having get resolved. Otherwise, please open a new ticket in our support forum.
Problem: WPML 3.9 had brought an issue with Custom Post Types (or Products) returning a page not found -> error (404).
Solution: This issue is fixed already with WPML 3.9.1 so if you have this issue please update to WPML 3.9.1 (you should see an update message in your plugins page)
Then please go to Settings -> Permalinks and click Save Changes without making any changes.
