Update for Windows Defender - KB915597 (Definition 1.17.2444.9)

i try to update the definition kb915597 in windows update, buat alway say
error, try to install again and then say error 0xC0000018 code, for that
problen my windows defender dont update how i can fix this problem?

See this KB article which has many suggestions & tips:

How to troubleshoot definition update issues for Windows Defender:
http://support.microsoft.com/kb/918355

Microsoft has established separate newsgroups for Windows Defender support
and comments. This is not one of them. See
http://www.microsoft.com/athome/secu...s/default.mspx
--
~Robear Dyer (PA Bear)
MS MVP-Windows (IE, OE, Security, Shell/User)
AumHa VSOP & Admin; DTS-L.org

julio27 wrote:
> i try to update the definition kb915597 in windows update, buat alway say
> error, try to install again and then say error 0xC0000018 code, for that
> problen my windows defender dont update how i can fix this problem?

I have the same problem. What can I do? Will my PC have spyware attack with
this failed update?

"julio27" wrote:

> i try to update the definition kb915597 in windows update, buat alway say
> error, try to install again and then say error 0xC0000018 code, for that
> problen my windows defender dont update how i can fix this problem?