Hi Priya,
please provide more details about your environment.
I.e. server.log, error log, detailed version, applied Fixes.
Regards,
Holger
Hi Holger,
Thank you for your response.
The issue is resolved now. After re-installation was done, properties of WSD got change. So I have provided Anonymous access for ACL(read and execute) and the error is gone. 
However, Its 8.2 version I am working on.
Thank you once again
Regards
Priya