From 121274dca2c683738e010d270554d00253bbe68d Mon Sep 17 00:00:00 2001
From: bradhawkins85 <bradhawkins@gmail.com>
Date: Thu, 25 Feb 2021 19:59:29 +1000
Subject: [PATCH] Update installer.ps1

Don't try and add Windows Defender exceptions if Defender is not enabled, prevents errors during script execution.
---
 api/tacticalrmm/core/installer.ps1 | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/api/tacticalrmm/core/installer.ps1 b/api/tacticalrmm/core/installer.ps1
index 76903cac..699f0d8c 100644
--- a/api/tacticalrmm/core/installer.ps1
+++ b/api/tacticalrmm/core/installer.ps1
@@ -33,11 +33,13 @@ If (Get-Service $serviceName -ErrorAction SilentlyContinue) {
 
     Try
     {
-        Add-MpPreference -ExclusionPath 'C:\Program Files\TacticalAgent\*'
-        Add-MpPreference -ExclusionPath 'C:\Windows\Temp\winagent-v*.exe'
-        Add-MpPreference -ExclusionPath 'C:\Program Files\Mesh Agent\*'
-        Add-MpPreference -ExclusionPath 'C:\Windows\Temp\trmm*\*'
-        
+        $DefenderStatus = Get-MpComputerStatus | select  AntivirusEnabled
+        if ($DefenderStatus -match "True") {
+            Add-MpPreference -ExclusionPath 'C:\Program Files\TacticalAgent\*'
+            Add-MpPreference -ExclusionPath 'C:\Windows\Temp\winagent-v*.exe'
+            Add-MpPreference -ExclusionPath 'C:\Program Files\Mesh Agent\*'
+            Add-MpPreference -ExclusionPath 'C:\Windows\Temp\trmm*\*'
+        }
         Invoke-WebRequest -Uri $downloadlink -OutFile $OutPath\$output
         Start-Process -FilePath $OutPath\$output -ArgumentList ('/VERYSILENT /SUPPRESSMSGBOXES') -Wait
         write-host ('Extracting...')