Error 0x800708B0 when installing Network agent

Hello,
Why am I getting this weird error message while installing Kaspersky Security Center Network Agent?
Is there any way to resolve this error?
If you have any idea then, suggest me properly with full instructions.
I would be grateful to you.
Thanks for any help. I am using Windows XP.

Error:
Kaspersky Security Center Network Agent
Error while installing: System error 0x800708B0 (The account already exists.).
