diff --git a/package/tools/chocolateyinstall.ps1 b/package/tools/chocolateyinstall.ps1
index a4b7e46..b6d5cf3 100644
--- a/package/tools/chocolateyinstall.ps1
+++ b/package/tools/chocolateyinstall.ps1
@@ -222,6 +222,28 @@ else {
    }
 }
 
+# verify the 64 bit installation, if the update is not found attempt a second update
+[array]$32_or_64bitsoftware = get-itemproperty 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall\*'
+[array]$32_on_64bitsoftware = get-itemproperty 'HKLM:\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\*'
+$installedProducts = [system.linq.enumerable]::union([object[]]$32_or_64bitsoftware, [object[]]$32_on_64bitsoftware)
+if (($installedProducts | Where-Object {(($_.DisplayName -contains 'Adobe Acrobat (64-bit)') -or ($_.DisplayName -contains 'Adobe Acrobat Reader')) -and ($_.DisplayVersion.replace('.', '') -eq $UpdaterVersion)} | measure).Count -lt 1){
+   $UpdateArgs = @{
+      Statements     = "/p `"$mspPath`" /norestart /quiet ALLUSERS=1 EULA_ACCEPT=YES $options" +
+      " /L*v `"$env:TEMP\$env:chocolateyPackageName.$env:chocolateyPackageVersion.Reupdate.log`""
+      ExetoRun       = 'msiexec.exe'
+      validExitCodes = @(0, 1603)
+   }
+   $exitCode = Start-ChocolateyProcessAsAdmin @UpdateArgs
+
+   if ($exitCode -eq 1603) {
+      Write-Warning "For code 1603, Adobe recommends to 'shut down Microsoft Office and all web browsers' and try again."
+      Write-Warning 'The update log should provide more details about the encountered issue:'
+      Write-Warning "   $env:TEMP\$env:chocolateyPackageName.$env:chocolateyPackageVersion.Update.log"
+      Throw "Patching of $env:ChocolateyPackageName to the latest version was unsuccessful."
+   }
+}
+
+
 if ($PackageParameters.NoUpdates -or $UpdateMode -lt 2) {
    Unregister-ScheduledTask 'Adobe Acrobat Update Task' -Confirm:$false -ErrorAction SilentlyContinue
 }