Fix silent failure on TacticalRMM download

Add -ErrorAction Stop so Invoke-WebRequest throws on failure instead of
silently continuing, and -UseBasicParsing to avoid IE engine dependency.
Add progress output so it's clear the download is running.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

1-estudio-Install-TacticalRMM-and-RustDesk.ps1

@@ -176,7 +176,9 @@ If (Get-Service $serviceName -ErrorAction SilentlyContinue) {
     }
 
     Try {
-        Invoke-WebRequest -Uri $downloadlink -OutFile "$OutPath\$output"
+        Write-Host "Downloading TacticalRMM agent..."
+        Invoke-WebRequest -Uri $downloadlink -OutFile "$OutPath\$output" -UseBasicParsing -ErrorAction Stop
+        Write-Host "Download complete."
         Start-Process -FilePath "$OutPath\$output" -ArgumentList '/VERYSILENT /SUPPRESSMSGBOXES' -Wait
         Write-Host "Extracting..."
         Start-Sleep -s 5