cannot install autocad 2013

is the message that comes up alongside it. what seems to be the problem with the installation?

2014/2/18:14:48:31 Wazza WAZZA === Setup started on WAZZA by Wazza ===
2014/2/18:14:48:31 Wazza WAZZA Launch
2014/2/18:14:48:31 Wazza WAZZA CommandLine /url "http://trial.autodesk.com/SWDLDDLM/2013/ACD/WI/AutoCAD_2013_English_Win_32_64bit_wi_en-US_Setup1.exe" /SN 900-45186749 /PK 001E1 /student /akamai /auth authparam /sid SESSION_ID
2014/2/18:14:49:29 Wazza WAZZA === Setup ended ===

2014/2/18:14:48:32 Wazza WAZZA === Setup started on WAZZA by Wazza ===
2014/2/18:14:48:32 Wazza WAZZA Launch
2014/2/18:14:48:33 Wazza WAZZA Download Play SETUP_CONFIG http://trial.autodesk.com/SWDLDDLM/2013/ACD/WI/{A3548B2A-019B-4D04-AB06-D97A758ED489}/SETUP_x64.tar.lzma2
2014/2/18:14:49:29 Wazza WAZZA Download Complete SETUP_CONFIG http://trial.autodesk.com/SWDLDDLM/2013/ACD/WI/{A3548B2A-019B-4D04-AB06-D97A758ED489}/SETUP_x64.tar.lzma2
2014/2/18:14:49:29 Wazza WAZZA PageOpen LaunchDialog
2014/2/18:14:49:35 Wazza WAZZA PageOpen LicenseDialog
2014/2/18:14:49:35 Wazza WAZZA PageOpen ProductSelectionDialog2
2014/2/18:14:49:40 Wazza WAZZA PageOpen LicenseDialog
2014/2/18:14:49:40 Wazza WAZZA PageOpen LaunchDialog
2014/2/18:14:49:48 Wazza WAZZA PageOpen LicenseDialog
2014/2/18:14:49:52 Wazza WAZZA PageOpen ProductInfoDialog
2014/2/18:14:49:52 Wazza WAZZA PageOpen ProductSelectionDialog2
2014/2/18:14:49:55 Wazza WAZZA PageOpen FullProgressDialog
2014/2/18:14:49:55 Wazza WAZZA Download Play DOTNET4LANG http://trial.autodesk.com/SWDLDDLM/2013/ACD/WI/{A3548B2A-019B-4D04-AB06-D97A758ED489}/DOTNET4KB2468871_x86.tar.lzma2
2014/2/18:14:51:12 Wazza WAZZA Download Complete DOTNET4LANG http://trial.autodesk.com/SWDLDDLM/2013/ACD/WI/{A3548B2A-019B-4D04-AB06-D97A758ED489}/DOTNET4KB2468871_x86.tar.lzma2
2014/2/18:14:51:12 Wazza WAZZA Installing .NET Framework Runtime 4.0 Language Pack: C:\Autodesk\WI\AutoCAD 2013\3rdParty\NET\4\wcu\dotNetFramework\dotNetFx40LP_Full_x86_x64_1041.exe /q
2014/2/18:14:51:19 Wazza WAZZA Install .NET Framework Runtime 4.0 Language Pack Failed Installation aborted, Result=1603
2014/2/18:14:51:19 Wazza WAZZA PageOpen InstallCompleteDialog
2014/2/18:14:57:43 Wazza WAZZA === Setup ended ===

2014/2/19:12:11:08 Wazza WAZZA === Setup started on WAZZA by Wazza ===
2014/2/19:12:11:08 Wazza WAZZA Launch
2014/2/19:12:11:08 Wazza WAZZA CommandLine /url "http://trial.autodesk.com/SWDLDDLM/2013/ACD/WI/AutoCAD_2013_English_Win_32_64bit_wi_en-US_Setup1.exe" /SN 900-45186749 /PK 001E1 /student /akamai /auth authparam /sid SESSION_ID
2014/2/19:12:11:13 Wazza WAZZA === Setup ended ===

2014/2/19:12:11:10 Wazza WAZZA === Setup started on WAZZA by Wazza ===
2014/2/19:12:11:10 Wazza WAZZA Launch
2014/2/19:12:11:11 Wazza WAZZA Download Skipped SETUP_CONFIG http://trial.autodesk.com/SWDLDDLM/2013/ACD/WI/{A3548B2A-019B-4D04-AB06-D97A758ED489}/SETUP_x64.tar.lzma2
2014/2/19:12:11:13 Wazza WAZZA PageOpen LaunchDialog
2014/2/19:12:12:57 Wazza WAZZA PageOpen LicenseDialog
2014/2/19:12:13:01 Wazza WAZZA PageOpen ProductInfoDialog
2014/2/19:12:13:01 Wazza WAZZA PageOpen ProductSelectionDialog2
2014/2/19:12:13:03 Wazza WAZZA PageOpen FullProgressDialog
2014/2/19:12:13:03 Wazza WAZZA Download Skipped DOTNET4LANG http://trial.autodesk.com/SWDLDDLM/2013/ACD/WI/{A3548B2A-019B-4D04-AB06-D97A758ED489}/DOTNET4KB2468871_x86.tar.lzma2
2014/2/19:12:13:04 Wazza WAZZA Installing .NET Framework Runtime 4.0 Language Pack: C:\Autodesk\WI\AutoCAD 2013\3rdParty\NET\4\wcu\dotNetFramework\dotNetFx40LP_Full_x86_x64_1041.exe /q
2014/2/19:12:13:10 Wazza WAZZA Install .NET Framework Runtime 4.0 Language Pack Failed Installation aborted, Result=1603

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