2015/1/11:09:57:01 Administrator WINDOWS7-PC === Setup started on WINDOWS7-PC by Administrator ===
2015/1/11:09:57:01 Administrator WINDOWS7-PC Path_Length: 155
2015/1/11:09:57:01 Administrator WINDOWS7-PC Current Directory D:\AutoCAD_2014_64bit_dlm
2015/1/11:09:57:01 Administrator WINDOWS7-PC Launch
2015/1/11:09:57:01 Administrator WINDOWS7-PC CommandLine
2015/1/11:09:57:01 Administrator WINDOWS7-PC Path_Length: 155
2015/1/11:09:57:01 Administrator WINDOWS7-PC Current Directory C:\Users\ADMINI~1\AppData\Local\Temp\_AI1258.tmp
2015/1/11:09:57:14 Administrator WINDOWS7-PC === Setup ended ===
2015/1/11:09:57:03 Administrator WINDOWS7-PC === Setup started on WINDOWS7-PC by Administrator ===
2015/1/11:09:57:03 Administrator WINDOWS7-PC Path_Length: 155
2015/1/11:09:57:03 Administrator WINDOWS7-PC Current Directory C:\Users\ADMINI~1\AppData\Local\Temp\_AI1258.tmp
2015/1/11:09:57:03 Administrator WINDOWS7-PC Launch
2015/1/11:09:57:05 Administrator WINDOWS7-PC Install CustomCallback Info Invoking custom callback for details: [SETUP] CB_FUNC=CustomPlatformCheck CB_SOURCE=C:\Users\ADMINI~1\AppData\Local\Temp\_AI1258.tmp\Setup\AcSetup.dll
2015/1/11:09:57:05 Administrator WINDOWS7-PC Install CustomCallback Info Custom callback response: Status=0 SUCCECSS Title= Message= URLTitle= URLLink=
2015/1/11:09:57:15 Administrator WINDOWS7-PC PageOpen LaunchDialog
2015/1/11:09:57:16 Administrator WINDOWS7-PC PageOpen LicenseDialog
2015/1/11:09:57:19 Administrator WINDOWS7-PC PageOpen ProductInfoDialog
2015/1/11:09:57:30 Administrator WINDOWS7-PC PageOpen ProductSelectionDialog2
2015/1/11:09:57:42 Administrator WINDOWS7-PC PageOpen FullProgressDialog
2015/1/11:09:57:42 Administrator WINDOWS7-PC Installing .NET Framework Runtime 4.0 Language Pack: "D:\AutoCAD_2014_64bit_dlm\3rdParty\NET\4\wcu\dotNetFramework\dotNetFx40LP_Full_x86_x64_2052.exe" /q
2015/1/11:09:59:08 Administrator WINDOWS7-PC Install .NET Framework Runtime 4.0 Language Pack Succeeded
2015/1/11:09:59:08 Administrator WINDOWS7-PC Installing .NET Framework Runtime 4.0 KB2468871: "D:\AutoCAD_2014_64bit_dlm\3rdParty\NET\4\wcu\dotNetFramework\NDP40-KB2468871-v2-x64.exe" /q /norestart
2015/1/11:09:59:18 Administrator WINDOWS7-PC Install .NET Framework Runtime 4.0 KB2468871 Failed Installation aborted, Result=1603
2015/1/11:09:59:18 Administrator WINDOWS7-PC Rollback .NET Framework Runtime 4.0 Language Pack Failed Installation aborted, Result=1619
请大家帮我看一看这是怎么回事