my bridge opens and after 30 sec of this message

Delete Bridge, re-boot( looks like you are on a windows OS) aand rinstall.

Hi 

Could you please share the following details to help us debug the issue:

- Any particular operation that you are doing when observing the freeze.

- Os Version on which you are trying. 

Thanks,

Bridge Team

https://helpx.adobe.com/bridge/kb/troubleshoot-errors-freezes-bridge.html