Set ErrorActionPreference to "Stop".

Scripts/Install-Service.ps1

@@ -8,7 +8,7 @@
 function Start-MyService {
     Write-Host -NoNewLine "Starting service $($ServiceName): "
     try {
-        Start-Service $ServiceName -ErrorAction Stop
+        Start-Service $ServiceName
         Write-Host "[OK]" -Fore Green
     }
     catch {
@@ -74,6 +74,9 @@ function Install-Service {
 }
 
 
+$ErrorActionPreference = "Stop"
+
+
 $LocalConfiguration = ".\ScriptsConfig.ps1"
 if (Test-Path $LocalConfiguration) {
     . $LocalConfiguration