could not make postscript file through dviwindo in windows 2000

[Baskaran]

Dear sir

I install yandy in windows 2000
When I print a file through dviwindo as postscript file,
it will show the following errors and it could not make postscript file.

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DVIPSONE DVIPSONE -v -d=C:\11\test.ps -l=a4 C:\11\test.dvi callbackflag: 0
Printing directly from DVIPSONE.DLL
DVIPSONE 2.2.0  1999 Dec 30 18:30:53 SN 4503
Copyright (C) 1990--2000, Y&Y, Inc.  http://www.YandY.com

Command:
DVIPSONE -v -d=C:\11\test.ps -l=a4 C:\11\test.dvi
ERROR: Can't make output file `C:\11\test.ps' (wb)
`C:\11\test.ps': Permission denied
 while opening output file while opening output file
CHECKEXIT 3
DONE
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Could you please suggest me a solution

Regards
Baskaran NK