[framework] problem of Metasploit 3.0 Automated Exploitation

[zouq]

Hello,everyone!
I run msf 3.0 under XP.When I test 3.0 Automated Exploitation Func，I have a problem as pic in attachment.
That is: 
msf>db_nmap -p 25,110
Failed to open XML output file /cygdrive/c/Docume~1/Admini~1/Locals~1/Temp/dbnmap.540.1 for writing

That' why?
Thanks

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