lib/specinfra/backend/powershell/support/find_installed_application.ps1 in specinfra-0.5.0 vs lib/specinfra/backend/powershell/support/find_installed_application.ps1 in specinfra-0.5.1

@@ -1,7 +1,21 @@
 function FindInstalledApplication
 {
   param($appName, $appVersion)
-  $selectionCriteria = "(Name like '$appName' or PackageName like '$appName') and InstallState = 5"
-  if ($appVersion -ne $null) { $selectionCriteria += " and version = '$appVersion'"}
-  Get-WmiObject Win32_Product -filter $selectionCriteria
-}
\ No newline at end of file
+    
+  if ((Get-WmiObject win32_operatingsystem).OSArchitecture -notlike '64-bit')  
+  { 
+      $keys= (Get-ItemProperty 'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\*') 
+  }  
+    else  
+  { 
+      $keys = (Get-ItemProperty 'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\*','HKLM:\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\*') 
+  }   
+
+  if ($appVersion -eq $null) { 
+   $keys | Where-Object {$_.name -like $appName -or $_.PSChildName -like $appName}
+  }
+  else{
+   $keys | Where-Object {$_.name -like $appName -or $_.PSChildName -like $appName  } | Where-Object {$_.DisplayVersion -eq $appVersion}
+  }
+}
+