Try another approach, from Kevin

.github/scripts/build_msi.ps1

@@ -43,28 +43,12 @@ copy ".\.github\resources\MSI Template.wxs" ".\"
 & $Candle -dAppName=""$env:blt_name"" -dAppVersion=""$env:build_version"" -dAppVendor=""$env:blt_vendor"" -dAppUpgradeCode=""$env:blt_upgradecode"" -dAppDescription=""$env:blt_description"" -dAppVendorFolder=""$env:blt_vendor_folder"" -dAppIcon=""$env:blt_icon"" -nologo *.wxs -ext WixUIExtension -ext WixFirewallExtension -arch x64
 
 #Compile MSI
+Write-Output "Light Command: $Light -b Beat Link Trigger -nologo *.wixobj -out ""$env:artifact_name"" -ext WixUIExtension -ext WixFirewallExtension"
 
-function Printable([string] $s) {
-    $Matcher =
-    {
-      param($m)
-
-      $x = $m.Groups[0].Value
-      $c = [int]($x.ToCharArray())[0]
-      switch ($c)
-      {
-          9 { '\t' }
-          13 { '\r' }
-          10 { '\n' }
-          92 { '\\' }
-          Default { "\$c" }
-      }
-    }
-    return ([regex]'[^ -~\\]').Replace($s, $Matcher)
+Try {
+  & $Light -b "Beat Link Trigger" -nologo "*.wixobj" -out ""$env:artifact_name"" -ext WixUIExtension -ext WixFirewallExtension
+}
+Catch {
+  Write-Output "Light threw an error, will try something different"
+  & $Light -b "Beat Link Trigger" -nologo "*.wixobj" -out $env:artifact_name -ext WixUIExtension -ext WixFirewallExtension
 }
-
-$CurrentWorkingDir = (Get-Location).Path
-$LightOutFile = $CurrentWorkingDir+"\"+$env:artifact_name
-Write-Output (Printable $LightOutFile)
-Write-Output "Compile MSI: -out $LightOutFile"
-& $Light -b "Beat Link Trigger" -nologo "*.wixobj" -out ""$LightOutFile"" -ext WixUIExtension -ext WixFirewallExtension