I don't know what Rapindo is. Also, don't know what "powerful DM" is. If you mean the BlackBerry Desktop Software, I still don't know what you mean by powerful.
First, you need to troubleshoot your connection. First step would be make sure the computer isn't shutting down the USB port. Try different USB ports. Don't use a hub, don't use USB ports on keyboards or elsewhere; instead use USB ports on the computer.
Also, following is a link to an alternate official method..... How to recover a BlackBerry smartphone from any state