Thanks, Ping working, and just downloaded the installer (WIN64) like 10 min ago for clean reinstall...

I :

Unistalled
Deleted Folder from Program Files
Installed with 20 min ago downloaded 64 bits installer
Run Updater until there are no more updates
Backup from CFG folder
Run JD
Starts with this new update
Error
Replace new CFG with backup
Starts updating
Error again....