diff --git a/packages/kvm-virtio-drivers/kvm-virtio-drivers.nuspec b/packages/kvm-virtio-drivers/kvm-virtio-drivers.nuspec
index 3129f86..40337df 100755
--- a/packages/kvm-virtio-drivers/kvm-virtio-drivers.nuspec
+++ b/packages/kvm-virtio-drivers/kvm-virtio-drivers.nuspec
@@ -1,20 +1,25 @@
 <?xml version="1.0" encoding="utf-8"?>
 <package xmlns="http://schemas.microsoft.com/packaging/2011/08/nuspec.xsd">
-    <metadata>
-        <id>kvm-virtio-drivers</id>
-        <version>0.1.141</version>
-        <title>KVM Virtio Drivers for Windows</title>
-        <authors>Red Hat</authors>
-        <owners>foo.li systeme + software</owners>
-	<licenseUrl>https://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html</licenseUrl>
-	<projectUrl>https://fedoraproject.org/wiki/Windows_Virtio_Drivers</projectUrl>
-        <iconUrl>https://git.foo.li/peter/chocolatey/raw/branch/master/icons/kvm.png</iconUrl>
-        <requireLicenseAcceptance>true</requireLicenseAcceptance>
-	<description>virtio drivers for Windows virtual machines running on KVM, and additional software agents for Windows VMs.
-	  This package will download the latest stable drivers, unzip them and tries automatically to update/install needed drivers.
-	  Note: for the QEMU guest agent there is a separate package available (which already uses this package as dependency).</description>
-        <summary>KVM Virtio Drivers</summary>
-        <releaseNotes>upgrade to 0.1.141</releaseNotes>
-        <tags>virtualisation kvm virtio guest-agents drivers</tags>
-    </metadata>
+  <metadata>
+    <id>kvm-virtio-drivers</id>
+    <version>0.1.171</version>
+    <title>KVM Virtio Drivers for Windows</title>
+    <authors>Red Hat</authors>
+    <owners>foo.li systeme + software</owners>
+    <licenseUrl>https://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html</licenseUrl>
+    <projectUrl>https://fedoraproject.org/wiki/Windows_Virtio_Drivers</projectUrl>
+    <iconUrl>https://git.foo.li/peter/chocolatey/raw/branch/master/icons/kvm.png</iconUrl>
+    <requireLicenseAcceptance>true</requireLicenseAcceptance>
+    <description>virtio drivers for Windows virtual machines running on KVM, and additional software agents for Windows VMs.
+      This package will download the latest stable drivers, unzip them and tries automatically to update/install needed drivers.
+      Note: for the QEMU guest agent there is a separate package available (which already uses this package as dependency).</description>
+    <summary>KVM Virtio Drivers</summary>
+    <releaseNotes>upgrade to 0.1.171</releaseNotes>
+    <tags>virtualisation kvm virtio guest-agents drivers</tags>
+  </metadata>
+  <!-- building package on gnu/linux with nuget (https://packages.debian.org/stretch/nuget)
+  requires adding the tools path -->
+  <files>
+    <file src="tools/*" target="tools"/>

+  </files>
 </package>
diff --git a/packages/kvm-virtio-drivers/tools/chocolateyinstall.ps1 b/packages/kvm-virtio-drivers/tools/chocolateyinstall.ps1
index f8da0a7..fa46876 100755
--- a/packages/kvm-virtio-drivers/tools/chocolateyinstall.ps1
+++ b/packages/kvm-virtio-drivers/tools/chocolateyinstall.ps1
@@ -1,13 +1,13 @@
 # Virtio Drivers for Windows VMs running on KVM
-# 2011-2017 foo.li systeme + software
-    
+# 2011-2020 foo.li systeme + software
+
 # export installed redhat certificate to a file with win7
 # $CertToExport = dir cert:\LocalMachine -Recurse | where {$_.ThumbPrint -eq "66ED6843B0F6DC9B636C6814E53A26983EF32B4E"}
 # $CertToExportInBytesForCERFile = $CertToExport.export("Cert")
 # [system.IO.file]::WriteAllBytes("C:\Temp\RedHat.cer", $CertToExportInBytesForCERFile)
 
 $packageName	= 'kvm-virtio-drivers'
-$version        = '0.1.141'
+$version        = '0.1.171'
 $url		= 'https://fedorapeople.org/groups/virt/virtio-win/direct-downloads/stable-virtio/virtio-win.iso'
 $url64          = $url
 $virtioPath	= "$env:SystemDrive" + "\Virtio_" + $version
@@ -16,7 +16,7 @@ $dpinst         = Join-Path $scriptPath 'dpinstX86.exe'
 $dpinst64       = Join-Path $scriptPath 'dpinstX64.exe'
 $dpinstxml      = Join-Path $scriptPath 'dpinst.xml'
 $cleanupdrv     = Join-Path $scriptPath 'cleanfolder.ps1'
-$checksum	= '43AEFA812C37342CFEFC48EC0DD7F1E56A930FCD'
+$checksum	= '4f37af23d97855caf37c534854bf008bbe2e8b74'
 $checksumType	= 'sha1'
 $checksum64	= $checksum
 $checksumType64 = $checksumType
@@ -100,9 +100,10 @@ try {
   Write-Host 'the driver wizard will still run for quiet some time.'
   #Start-ChocolateyProcessAsAdmin -Statements "/q /se /sw /sa /path $virtioPath" -ExeToRun $dpinstaller
   & $dpinstaller /S /SA /SE /SW /PATH $virtioPath
-  Write-Host '[INFO]: The Logfile for the driver installations is %windir%\DPINST.LOG' 
+  Write-Host '[INFO]: The Logfile for the driver installations is %windir%\DPINST.LOG'
   Write-Host '[INFO]: removing previous virtio-driver versions'
   Remove-Item "${env:SystemDrive}\Virtio_0.1.126" -Force -Recurse -ErrorAction SilentlyContinue
+  Remove-Item "${env:SystemDrive}\Virtio_0.1.141" -Force -Recurse -ErrorAction SilentlyContinue
 } catch {
   throw $_.Exception
 }
diff --git a/packages/kvm-virtio-drivers/tools/chocolateyuninstall.ps1 b/packages/kvm-virtio-drivers/tools/chocolateyuninstall.ps1
index ae70431..b23ce1b 100755
--- a/packages/kvm-virtio-drivers/tools/chocolateyuninstall.ps1
+++ b/packages/kvm-virtio-drivers/tools/chocolateyuninstall.ps1
@@ -1,14 +1,14 @@
-# Spice Guest Tools Removal
-# 2017 foo.li systeme + software
+# virtio windows drivers Removal
+# 2017-2020 foo.li systeme + software
 
 $packageName	= 'kvm-virito-drivers'
-$version        = '0.1.126'
+$version        = '0.1.171'
 $virtioPath	= "$env:SystemDrive" + "\Virtio_" + $version
 
 try {
   if (Test-Path $virtioPath) {
     Write-Host 'removing directory ' $virtioPath
-    Remove-Item $virtioPath -Recurse -Force 
+    Remove-Item $virtioPath -Recurse -Force
   } else {
     Write-Host 'could not detect ' $virtioPath ' files.'
   }