cad2012老是安装失败怎么办 求各路大神解答

网上搜的方法都用了还是安装失败：
我的安装日志：
2018/8/6:13:18:40 Administrator USER-20120726GS === Setup started on USER-20120726GS by Administrator ===
2018/8/6:13:18:40 Administrator USER-20120726GS Launch
2018/8/6:13:18:44 Administrator USER-20120726GS PageOpen LaunchDialog
2018/8/6:13:18:48 Administrator USER-20120726GS PageOpen LicenseDialog
2018/8/6:13:18:50 Administrator USER-20120726GS PageOpen ProductInfoDialog
2018/8/6:13:18:56 Administrator USER-20120726GS PageOpen ProductSelectionDialog2
2018/8/6:13:19:03 Administrator USER-20120726GS PageOpen FullProgressDialog
2018/8/6:13:19:04 Administrator USER-20120726GS Installing .NET Framework Runtime 4.0: E:\CAD\CAD\AutoCAD 2012\3rdParty\NET\4\wcu\dotNetFramework\dotNetFx40_Full_x86_x64.exe /q
2018/8/6:13:19:16 Administrator USER-20120726GS Install .NET Framework Runtime 4.0 Failed Installation aborted, Result=1603
急求解决方法谢谢各位大神

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