Index: dev/install_python_gtk.bat
==================================================================
--- dev/install_python_gtk.bat
+++ dev/install_python_gtk.bat
@@ -1,3 +1,5 @@
 @echo off
-PowerShell Set-ExecutionPolicy -ExecutionPolicy ByPass
-PowerShell -File c:\usr\share\streamtuner2\dev\install_python_gtk.ps1
+cls
+PowerShell Set-ExecutionPolicy -ExecutionPolicy ByPass -Scope CurrentUser
+PowerShell -File \usr\share\streamtuner2\dev\install_python_gtk.ps1
+PowerShell Set-ExecutionPolicy -ExecutionPolicy Undefined -Scope CurrentUser

Index: dev/install_python_gtk.ps1
==================================================================
--- dev/install_python_gtk.ps1
+++ dev/install_python_gtk.ps1
@@ -6,18 +6,40 @@
  #  - some python libraries
  #  - and runs their respective installers
  #  - crafts streamtuner2 desktop shortcut
  #
  #>
+
+[CmdletBinding()]            
+Param(            
+)            
+            
+function Test-IsElevated {
+    [CmdletBinding()]
+    param(
+    )
+    [Security.Principal.WindowsPrincipal] $Identity = [Security.Principal.WindowsIdentity]::GetCurrent()
+    $Identity.IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)
+}
+
+if(!(Test-IsElevated)) {
+    Write-Host "If you run this script in non-elevated mode you will not be able to uninstall Python from control panel."
+    Write-Host ""
+    Write-Host "Do you want to proceed?"
+    $y = Read-Host "y/n"
+    if ($y -notmatch "y|Y|1") {
+        exit;
+    }
+ }
 
 $TEMP = $env:TEMP
 $PYTHON = "C:\Python27"
 
 #-- what
 $files = @(
-  "https://www.python.org/ftp/python/2.7.12/python-2.7.12.msi",
-  "http://ftp.gnome.org/pub/GNOME/binaries/win32/pygtk/2.24/pygtk-all-in-one-2.24.2.win32-py2.7.msi",
+  "https://www.python.org/ftp/python/2.7.12/python-2.7.12.msi#qb",
+  "http://ftp.gnome.org/pub/GNOME/binaries/win32/pygtk/2.24/pygtk-all-in-one-2.24.2.win32-py2.7.msi#qbex",
   "$PYTHON\Scripts\easy_install.exe requests",
   "https://pypi.python.org/packages/3d/ee/affbc53073a951541b82a0ba2a70de266580c00f94dd768a60f125b04fca/lxml-2.3.win32-py2.7.exe",
   "https://pypi.python.org/packages/62/71/8ac1f5c0251e51714d20e4b102710d5eee1683c916616129552b0a025ba5/pyquery-1.2.17-py2.py3-none-any.whl#noexec",
   "$PYTHON\Scripts\pip.exe install $TEMP\pyquery-1.2.17-py2.py3-none-any.whl",
   "http://effbot.org/downloads/PIL-1.1.7.win32-py2.7.exe"
@@ -41,10 +63,17 @@
 #-- process
 ForEach ($url in $files) {
 
     echo "`n[[[ $url ]]]" #`
     chdir($TEMP);
+
+    $regPath = "HKLM:\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall"
+    if(!(Test-Path $regPath)) {
+        $regPath = "HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall"
+    }
+    $regValueName = "WindowsInstaller"
+    $regValue = "0"
 
     if ($url -match "https?://.+") {
         $file = [regex]::match($url, "/([^/]+?)([\?\#]|$)").Groups[1].Value;
 
         # download
@@ -53,12 +82,21 @@
 
         # run
         if ($url -match ".+#noexec") {
             Write-Host "(skipping)"
         }
-        elseif ($url -match ".+.msi$") {
-            Start-Process -Wait msiexec -ArgumentList /i,"$TEMP\$file"
+        elseif ($url -match ".+.msi#qb$") {
+            Write-Host "Installing Python 2.7.12 ..."
+            Start-Process -Wait msiexec -ArgumentList /i,"$TEMP\$file", " /qb"
+            $registryPath = $regPath+"\{9DA28CE5-0AA5-429E-86D8-686ED898C665}"
+            Set-ItemProperty -Path $registryPath -Name $regValueName -Value $regValue
+        }
+        elseif ($url -match ".+.msi#qbex$") {
+            Write-Host "Installing PyGtk 2.24.2 ..."
+            Start-Process -Wait msiexec -ArgumentList /i,"$TEMP\$file", " TARGETDIR=C:\Python27 ADDLOCAL=ALL REMOVE=PythonExtensionModulePyGtkSourceview2,PythonExtensionModulePyGoocanvas,PythonExtensionModulePyRsvg,DevelopmentTools /qb"
+            $registryPath = $regPath+"\{09F82967-D26B-48AC-830E-33191EC177C8}"
+            Set-ItemProperty -Path $registryPath -Name $regValueName -Value $regValue
         }
         elseif ($url -match ".+.exe$") {
             Start-Process -Wait "$TEMP\$file"
         }
         else {
@@ -76,5 +114,13 @@
 $WshShell = New-Object -ComObject WScript.Shell
 $Shortcut = $WshShell.CreateShortcut("$Home\Desktop\Streamtuner2.lnk")
 $Shortcut.TargetPath = "$PYTHON\pythonw.exe"
 $Shortcut.Arguments = "c:\usr\bin\streamtuner2"
 $Shortcut.Save()
+
+function Test-IsElevated {
+[CmdletBinding()]
+param( 
+)
+ [Security.Principal.WindowsPrincipal] $Identity = [Security.Principal.WindowsIdentity]::GetCurrent()
+ $Identity.IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)
+}