윈도우7 업데이트가 되지 않을때 해결 방법.

1. Goto start > type services.msc
2. Scroll down to find Windows Update service
3. make sure Windows Update service is stopped, else right click and stop it
4. Go to C:\Windows\SoftwareDistribution\ and delete all files in it
5. Come back to services.msc and start Windows Updateservice

Windows Update 서비스를 내리고(services.msc 실행)

C:\Windows\SoftwareDistribution 에 있는 모든 파일을 삭제후

Windows Update 를 다시 올린다.

참고 URL : http://windowssecrets.com/forums/showthread.php/146996-Windows-Updates-Service-not-running