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Starting debug server

Note: This was originally posted on 22nd May 2013 at http://forums.arm.com

Hello,



I was using DS5 fine for connecting to my Altera board and then today it just stopped working, even the examples do not work.  So when trying to load the baremetal example, I get this error:



Starting debug server
Waiting for debug server to start accepting connections
processrunner.py:8: RuntimeWarning: Unable to determine _shell_command for underlying os: nt
  import subprocess
RDDI-DAP-DS : ERROR failed to connect to RDDI DAP target
RDDI Error Code 4107 : Connection to target failed.
RDDI DLL = rddi-dap_altera_2.dll
RDDI CFG = C:\Users\mgriffit\AppData\Local\Temp\ds5_8070900945896429705.txt
Failed to launch debug server. Command:
  /debug_server\vstrm_serverd_rddi.exe -rddi_dap_dll rddi-dap_altera_2.dll -rddi_dap_cfg \Local\Temp\ds5_8070900945896429705.txt -pollrate 200
exited with error code: 1


Any ideas  what to try?  What could have happened?