Cannot log in XP machine share drive with iPhone app

[082rakesh]

2012-07-11 19:08:18.847 tango[2775:f803] pressed _tango_send(): Bytes to send (including nbt-header!): 51 _tango_send(): Sent 51 bytes. _tango_send_and_receive(): Received 4 bytes. _tango_send_and_receive(): Received 125 bytes. _tango_NEGOTIATE_PROTOCOL(): Received response _tango_NEGOTIATE_PROTOCOL(): Server Capabilities 0xe3fd _tango_NEGOTIATE_PROTOCOL(): - CAP_LARGE_READX _tango_send(): Bytes to send (including nbt-header!): 123 _tango_send(): Sent 123 bytes. _tango_send_and_receive(): Received 4 bytes. _tango_send_and_receive(): Received 35 bytes. _tango_SESSION_SETUP(): Received response _tango_evaluate_response_header(): NT_STATUS Level is 0003 with value 006d.

I am getting error when I am trying to get shared folder of windows XP with iphone app. Please help.