Good trick for using Try Catch in Powershell

    try{

 Something......

    }

    Catch{
$formatstring = "{0} : {1}`n{2}`n" +
                "    + CategoryInfo          : {3}`n" +
                "    + FullyQualifiedErrorId : {4}`n"
$fields = $_.InvocationInfo.MyCommand.Name,
          $_.ErrorDetails.Message,
          $_.InvocationInfo.PositionMessage,
          $_.CategoryInfo.ToString(),
          $_.FullyQualifiedErrorId

Out-File -FilePath 'C:\Temp\error.txt' -inputobject ($formatstring -f $fields) -Append
 
  }