[Table of Contents]
 

Installation:  "Exception occurred while installing"

Symptoms: 

During installation of Accelerator a message box pops up with the error:

"Exception occurred while installing. Process must exit before requested information can be determined --> Process must exit before requested information can be determined."

Clicking OK, results in another message box displaying:

"The installer was interrupted before Accelerator could be installed. You need to restart the installer to try again."

In the install log found in <installdir>\Install.log, you may find the following entries:

09/09 18:23:33 couldn't reset ACLs on c:\Program Files\Metolius\Accelerator\Logs - these can be reset after the install completes via a command like: "cacls "c:\Program Files\Metolius\Accelerator\Logs" /t /g "BUILTIN\Administrators":c "NT AUTHORITY\SYSTEM":c "LAB4\ACC_LAB4":c"
09/09 18:23:33 Exception occurred while installing: System.InvalidOperationException: Process must exit before requested information can be determined.
at System.Diagnostics.Process.EnsureState(State state)
at System.Diagnostics.Process.get_ExitCode()
at InstallerSupport.DirectoryInstaller.SetAcls(String fileName, Boolean isDirectory, Boolean throwOnError)
at InstallerSupport.DirectoryInstaller.Install(IDictionary stateSaver)
at System.Configuration.Install.Installer.Install(IDictionary stateSaver)
at InstallerSupport.InstallMaster.Install(IDictionary stateSaver)
Running Rollback phase of non-transacted install.
Rolling back assembly 'c:\program files\metolius\accelerator\setup\installersupport.dll'.

Versions affected:  1.0.201.63 and earlier

Workaround: 

This problem can be encountered on systems where an Accelerator version prior to 1.0.201.63 had been installed and log files remain in the logs diretory.  To work around this problem:

  1. Ensure that Accelerator is not installed
  2. Delete the log file directory found in <installdir>\Logs (e.g. delete c:\program files\metolius\accelerator\logs\)
  3. Re-Install Accelerator


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