SR5500: Windows Installer Service cannot update the system file C:\WINDOWS\system32\rpcrt5.dll

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SR5500: Windows Installer Service cannot update the system file C:\WINDOWS\system32\rpcrt5.dll
  When you see this error, you need only just to click "Ok" to proceed the installation and after a while there is another error below, just click "Ignore", and the wait the installation finish.   This error will not impact the functionality of the SR5500 TestKit V3.60