Quicktime

This is a silent installer for Quicktime.

Package for Quicktime 7.3.1:

<package id="Apple_Quicktime" name="Apple Quicktime Player" revision="731" priority="40" reboot="false">
 <check type="logical" condition="and">
   <check type="registry" condition="exists" path="HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{E0D51394-1D45-460A-B62D-383BC4F8B335}" /> 
   <check type="uninstall" condition="exists" path="QuickTime" /> 
 </check>
 <install cmd=""%SOFTWARE%\Apple\Quicktime\7.3.1\QuickTimeInstaller.exe" /quiet /norestart ChkOptInstASU=0 DESKTOP_SHORTCUTS=0 QT_TRAY_ICON=0 SCHEDULE_ASUW=0" timeout="0">
   <exit code="0" /> 
   <exit code="3010" /> 
 </install>
 <remove cmd="%windir%\system32\MsiExec.exe /X {E0D51394-1D45-460A-B62D-383BC4F8B335} /qb-!" timeout="0">
   <exit code="0" /> 
   <exit code="3010" reboot="true" /> 
 </remove>
 <upgrade cmd=""%SOFTWARE%\Apple\Quicktime\7.3.1\QuickTimeInstaller.exe" /quiet /norestart ChkOptInstASU=0 DESKTOP_SHORTCUTS=0 QT_TRAY_ICON=0 SCHEDULE_ASUW=0" timeout="0">
   <exit code="0" /> 
   <exit code="3010" reboot="true" /> 
 </upgrade>
</package>

Now you only have to delete the Registrykey "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" -> "QuickTime Task". I do this one using KIXTART.

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Below a "truly silent" method, taken from http://www.mediamacros.com/item/item-1006687115/:

How do I make Quicktime Install Silently?

First you need the stand alone installer from Quicktime. Then place a text file beside the installer and name it QuickTimeInstaller.ini and place this text inside....

 [QTSETUP]
 license_option=0
 no_dialogs=true
 registration_dialog=false
 supress_speed_dialog=true
 install_qtjava=false
 install_qd3d=true
 show_sample=false
 show_readme=false
 show_programfolder=false
 install_qtinfo=true

Then I use these settings for QuickTime 7.6 - for future revisions you would need to update the GUID in the remove cmd line to match the later version:

<package id="QuickTime" name="QuickTime" revision="1" priority="10" reboot="false">
<check type="uninstall" condition="exists" path="QuickTime"/>
<install cmd='%SOFTWARE%\QuickTime\QuickTimeInstaller.exe /quiet'/>
<install cmd='cmd /c del /s /q "%ALLUSERSPROFILE%\Desktop\QuickTime Player.lnk"'/>
<remove cmd='"%SYSTEMROOT%\system32\msiexec.exe /x {216AB108-2AE1-4130-B3D5-20B2C4C80F8F}"'/>
<upgrade cmd="%SOFTWARE%\QuickTime\QuickTimeInstaller.exe /quiet"/>
<upgrade cmd='"cmd /c del /s /q "%ALLUSERSPROFILE%\Desktop\QuickTime Player.lnk"'/>
</package>

Note: You may wish to use 'start /wait' to ensure installation is completed before the installer returns.