使用Microsoft MBSA 電腦弱點掃描，掃出了一些電腦上的弱點，有的弱點使用AD GPO佈署就能排除，但有些卻不懂什麼意思，上網查了也不太了解，所以在這裡詢問一下，下面弱點該如何處理、設定該怎麼處理。請各位大大提供意見給小弟參考

Security Update Scan Results
Score:!
Issue:Security Updates Cannot contact Windows Update Agent on target computer, possibly due to firewall settings.

Windows Scan Results
Administrative Vulnerablilities
Score:!
Issue:File System
Result:Unable to detemine the file systemon fixed drives(3.2)

Internet Information Services(IIS)Scan Results
Administrative Vulnerabilities
Score:!
Issue:Sample applications
Result:The RPC server is unavailable

Score:!
Issue:IISAdmin Virtual Directory
Result:The RPC server is unavailable

Score:!
Issue:Parent Paths
Result:The RPC server is unavailable

Score:!
Issue:MSADC and Scripts Virtual Directories
Result:The RPC server is unavailable