diff --git a/deployment/windows/scripts/Fix-BackendPythonPath.ps1 b/deployment/windows/scripts/Fix-BackendPythonPath.ps1
new file mode 100644
index 0000000..b4cd46b
--- /dev/null
+++ b/deployment/windows/scripts/Fix-BackendPythonPath.ps1
@@ -0,0 +1,31 @@
+# Quick fix script to update Backend service PYTHONPATH
+# Run this as Administrator to fix the ModuleNotFoundError
+
+param(
+    [string]$InstallPath = "C:\inetpub\wwwroot\roa2web",
+    [string]$ServiceName = "ROA2WEB-Backend"
+)
+
+Write-Host "Fixing Backend service PYTHONPATH..." -ForegroundColor Cyan
+
+# Stop service
+Write-Host "Stopping service..." -ForegroundColor Yellow
+& nssm stop $ServiceName
+Start-Sleep -Seconds 3
+
+# Update PYTHONPATH to shared directory
+$sharedPath = Join-Path $InstallPath "shared"
+Write-Host "Setting PYTHONPATH to: $sharedPath" -ForegroundColor Yellow
+& nssm set $ServiceName AppEnvironmentExtra "PYTHONPATH=$sharedPath"
+
+# Start service
+Write-Host "Starting service..." -ForegroundColor Yellow
+& nssm start $ServiceName
+Start-Sleep -Seconds 3
+
+# Check status
+Write-Host "`nChecking service status..." -ForegroundColor Cyan
+& nssm status $ServiceName
+
+Write-Host "`nDone! Check logs at: $InstallPath\logs\backend-stderr.log" -ForegroundColor Green
+Write-Host "If errors persist, check the log file for details." -ForegroundColor Yellow
diff --git a/deployment/windows/scripts/ROA2WEB-Console.ps1 b/deployment/windows/scripts/ROA2WEB-Console.ps1
index db7b113..a1e018e 100644
--- a/deployment/windows/scripts/ROA2WEB-Console.ps1
+++ b/deployment/windows/scripts/ROA2WEB-Console.ps1
@@ -624,7 +624,10 @@ function Install-BackendFirstTime {
         & nssm set $Config.BackendServiceName Description $Config.BackendServiceDescription
         & nssm set $Config.BackendServiceName Start SERVICE_AUTO_START
         & nssm set $Config.BackendServiceName AppDirectory $Config.BackendPath
-        & nssm set $Config.BackendServiceName AppEnvironmentExtra "PYTHONPATH=$($Config.InstallPath)"
+
+        # Set PYTHONPATH to shared directory for module imports
+        $sharedPath = Join-Path $Config.InstallPath "shared"
+        & nssm set $Config.BackendServiceName AppEnvironmentExtra "PYTHONPATH=$sharedPath"
 
         # Set logging
         $stdoutLog = Join-Path $Config.LogsPath "backend-stdout.log"