A waste of 10 minutes. Know what you're doing with try/catch

example_error.ps1

# By adding a credential parameter to my function I broke it and couldn't spot the fault for 10 mintues
# Rookie Mistake. Beware poor try/catch use.
try {
    # Grab the events from a remote computer
    $EventLog = Get-WinEvent -ComputerName $ComputerName -FilterHashtable -Credential:$Credential @{
                    Logname = 'Security';
                    Id = 4624;
                    StartTime = $StartDay.toShortDateString();
                    EndTime = $StopDay.toShortDateString();
                } -ErrorAction Stop
} catch {
    switch ($ComputerName)
    {
        'localhost' { Write-Error "Must run as an Administrator to acces logs for $ComputerName" }
        Default { Write-Error "$ComputerName cannot be found" }
    }
}