The most common "new" instance of this error is caused by aggressive default settings. If JDownloader tries to open 10 segments at once and the server only allows 2, the remaining 8 will show "Segment not loaded."
JDownloader 2 receives frequent "Silent Updates." If the host site changed its API, your current version might be using an outdated method to request segments. jdownloader segment not loaded new
Look at the bottom right corner of the JDownloader interface. Change "Max Chunks per Download" to a lower number (start with 1 or 2). The most common "new" instance of this error
If you are using a VPN, the specific server IP might be blacklisted. Try switching to a different country or turning the VPN off entirely to see if the segment loads. jdownloader segment not loaded new