Zwift don't start anymore

!hi, yesterday it was ok but today Zwift don’t run anymore, only zwfitlauncher is ok.

log:
[14:12:34 2020-10-02] Patcher: No update available, deleting temp files…
[14:12:34 2020-10-02] Launcher: Launcher Update Process Check
[14:12:34 2020-10-02] Launcher: Checking for Game Update Availability
[14:12:34 2020-10-02] Launcher: Game Update Not Found
[14:12:43 2020-10-02] Launcher: ZwiftApp.exe is not running.
[14:12:53 2020-10-02] Launcher: ZwiftApp.exe is not running.
[14:13:14 2020-10-02] Launcher: Open Logs Folder was selected by the user. Attempting to open the user’s log folder.

after click on LET’S GO button, nothing happens…

solved after total uninstallation