最近发现博图V13_SP1有更新，于是下载更新安装。
其中：
Totally Integrated Automation Portal V13 V13.0 SP1 Upd5、
SIMATIC STEP 7 Safety V13 V13.0 SP1 Upd4这两个更新安装正常；
但是：SIMATIC S7-PLCSIM V13.0 SP1 Upd1安装失败。
下面我把安装日志贴上来，请大家帮忙看一下是什么问题，如何解决。
如果解决不了我就考虑重装系统了。（*——*）
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2015.10.30 09:24:07 - Year.Month.Day - Log start
BUNDLE: S7-PLCSIM V13.0 SP1 Upd1
SEBU Version: PLCSIM_V13:13.00.01.01_01.75.00.01
OS: Microsoft Windows 7 旗舰版 Ultimate Edition, Service Pack 1, 32-bit, build 7601
COMMANDLINE: C:\Program Files\Common Files\Siemens\Automation\Siemens Installer Assistant\306\SIA2.exe /starter /bundlepath=D:\360DOWNLOADS\SOFTWARE\SIEMENS\PLCSIM_V13.0 SP1 UPD1\InstData
INSTALLDIR: C:\Program Files\Siemens\Automation
SETUPLANGUAGE: 2052
CHANGES: (o)PlcSimPlus32;(o)PLCSim;(+)PE_Product_PLCSIM_Upd;(+)PlcSimPlus_Upd
There are NO severe messages before the installation
09:24:07 | BEGIN. Execution started.
09:24:07 | OK RunningProcesses (), Complete
09:24:08 | OK InventoryBefore (A), Complete
09:24:08 | OK Citamis (Before), Complete
09:24:09 | OK SecurityControlFeature (ReturnFeatures), Complete
09:24:11 | OK StartApplBefore ([INSTALLDIR]BIN\SIEMENS.AUTOMATION.OBJECTFRAME.FILESTORAGE.SERVER.EXE), Complete
09:24:11 | OK StartApplBefore ([INSTALLDIR]X64\BIN\SIEMENS.AUTOMATION.OBJECTFRAME.FILESTORAGE.SERVER.EXE), Complete
09:24:12 | OK ClassicCompPrepare (), Complete
09:24:12 | OK ProductRegistration (Before), Complete
09:24:43 | OK SetupUnit (PlcSimPlus32), Complete - - ClassicComponent, Reinstall
09:26:54 | OK SetupUnit (PLCSim), Complete - - ClassicProduct, Reinstall
09:28:14 | OK SetupUnit (PE_Product_PLCSIM_Upd), Complete - - Patch, AddLocal
09:30:32 | OK RebootAfterAll SetupUnit (PlcSimPlus_Upd), Complete - - Patch, AddLocal
09:30:32 | OK ClassicCompAfterInstall (), Complete
09:30:32 | OK ClassicCompRollback (), Complete
09:30:32 | OK HspInstall (), Complete
09:30:33 | OK MspInstall (), Complete
09:30:34 | OK StartApplAfter ([INSTALLDIR]BIN\INSTALLROOTCERTIFICATE.EXE), Complete
09:30:42 |ERROR AdsWorkerForeignExe::GetInstallResult(): - 120: assuming unknown error, because return value <> 0 and either OK- nor ERROR-values are defined. Please check the corresponding log file for more detailed information
09:30:42 | FAIL! StartApplAfter ([INSTALLDIR]BIN\SIEMENS.AUTOMATION.GENERATOR.FRAMEWORK.EXE), Failed
09:30:43 | OK StartApplAfter (C:\WINDOWS\SYSTEM32\S7EPATSX.EXE), Complete
09:30:45 | OK StartApplAfter (C:\WINDOWS\SYSTEM32\S7EPAESX.EXE), Complete
09:30:47 | OK ProductRegistration (After), Complete
09:30:47 | OK SetupIsComplete (), Complete
09:30:50 | OK InventoryAfter (Z), Complete
09:30:51 | OK LicenseTransfer (), BeforeStart
09:30:51 | OK Citamis (After), Complete
09:30:52 | OK SetupSummary (), Complete
09:34:20 | OK SetupReport (), Complete
09:34:20 | END. Execution completed.
Exit code: 1603
Errors: 1
Warnings: 0
Exit code means: Installation failed (InstallFailure)