diff --git a/Modules/VMware.Hv.Helper/VMware.HV.Helper.psm1 b/Modules/VMware.Hv.Helper/VMware.HV.Helper.psm1
index 5b68b9f..7717e40 100644
--- a/Modules/VMware.Hv.Helper/VMware.HV.Helper.psm1
+++ b/Modules/VMware.Hv.Helper/VMware.HV.Helper.psm1
@@ -8819,6 +8819,16 @@ function Set-HVApplicationIcon {
   }
 
   process {
+	if (!(Test-Path $IconPath)) {
+      Write-Error "File:[$IconPath] does not exist."
+      break
+    }
+
+    if ([IO.Path]::GetExtension($IconPath) -ne '.png') {
+      Write-Error "Unsupported file format:[$IconPath]. Only PNG image files are supported."
+      break
+    }
+
     try {
       $appInfo = Get-HVQueryResult -EntityType ApplicationInfo -Filter (Get-HVQueryFilter data.name -Eq $ApplicationName) -HvServer $HvServer
     } catch {
@@ -8832,11 +8842,6 @@ function Set-HVApplicationIcon {
       break
     }
 
-    if (!(Test-Path $IconPath)) {
-      Write-Error "File:[$IconPath] does not exists"
-      break
-    }
-
     $spec = New-Object VMware.Hv.ApplicationIconSpec
     $base = New-Object VMware.Hv.ApplicationIconBase