Quels logiciels puis-je désinstaller?

Bonjour,
Voici la liste des programmes installés sur mon PC:

7-Zip 9.22beta 14/08/2011 3,13 Mo
Ad-Remover 08/08/2011 1,50 Mo
Adobe Flash Player 10 ActiveX Adobe Systems Incorporated 07/08/2011 10.3.181.26
Adobe Flash Player 10 Plugin Adobe Systems Incorporated 07/08/2011 10.2.152.32
Adobe Photoshop Elements 6 07/08/2011 372 Mo
Adobe Reader 8 07/08/2011
Adobe Reader X (10.1.1) - Français Adobe Systems Incorporated 19/09/2011 162,4 Mo 10.1.1
ADSL Neuf 07/08/2011
Apple Application Support Apple Inc. 28/08/2011 60,2 Mo 2.0.1
Apple Mobile Device Support Apple Inc. 28/07/2011 22,1 Mo 3.4.1.2
Apple Software Update Apple Inc. 28/07/2011 2,38 Mo 2.1.3.127
ASIO4ALL 07/08/2011 0,34 Mo
ASUS Ai Charger ASUSTeK Computer Inc. 07/08/2011 1,55 Mo 1.00.06
avast! Free Antivirus AVAST Software 08/09/2011 150,1 Mo 6.0.1289.0
AviSynth 2.5 07/08/2011 5,46 Mo
BankPerfect 7.3 Fabio Chelly 23/08/2011 1,88 Mo 7.3
Bonjour Apple Inc. 28/07/2011 1,04 Mo 3.0.0.2
Carbonite 07/08/2011 0,29 Mo
CCleaner Piriform 12/08/2011 2,77 Mo 3.09
Change Extension 12/09/2011 0,20 Mo
Codeur Windows Media Série 9 07/08/2011 13,7 Mo
CyberLink PowerCinema CyberLink Corp. 22/05/2008 68,6 Mo 6.0.1615
D-Link VGA Webcam 07/08/2011
Dawn of War - Dark Crusade THQ 25/01/2011 4 286 Mo 1.00.0000
Dawn of War - Soulstorm THQ 08/02/2011 5 194 Mo 1.00.0000
Dawn Of War - Winter Assault THQ 16/02/2011 1 001 Mo 1.4
DawnOfWar THQ 16/02/2011 2 623 Mo 1.00.00000
DivX Codec DivX, Inc. 07/08/2011 4,84 Mo 6.2.5
FASONET Huawei Technologies Co.,Ltd 07/08/2011 27,6 Mo 11.300.05.02.370
FileHippo.com Update Checker 12/08/2011 0,37 Mo
FL Studio 8 Image-Line bvba 07/08/2011 495 Mo
Free Video to iPod Converter version 3.2 DVDVideoSoft Limited. 04/01/2010 2,67 Mo
Free Video to MP3 Converter version 3.2 DVDVideoSoft Limited. 04/12/2009 2,87 Mo
Google BAE 07/08/2011
Google Chrome Google Inc. 18/03/2010 158,8 Mo 14.0.835.186
Google Desktop Google 07/08/2011 40,4 Mo 5.9.1005.12335
Google SketchUp 8 Google, Inc. 20/11/2010 73,2 Mo 3.0.3192
Google Toolbar 07/08/2011
Google Toolbar for Internet Explorer Google Inc. 31/08/2011 35,0 Mo 7.1.2003.1856
GoogleDesktop 07/08/2011
HDReg France Acxiom 22/05/2008 4,59 Mo 2.0.0
HP Customer Participation Program 13.0 HP 07/08/2011 185,7 Mo 13.0
HP Deskjet F2400 All-In-One Driver Software 13.0 Rel .6 HP 07/08/2011 18,6 Mo 13.0
HP Imaging Device Functions 13.0 HP 07/08/2011 3,36 Mo 13.0
HP Print Projects 1.0 HP 07/08/2011 3,29 Mo 1.0
HP Smart Web Printing 4.5 HP 07/08/2011 26,4 Mo 4.5
HP Solution Center 13.0 HP 07/08/2011 3,45 Mo 13.0
HP Update Hewlett-Packard 30/10/2009 2,97 Mo 5.002.001.004
IL Download Manager Image-Line 07/08/2011 2,90 Mo
Infocentre Rev. 2.0.0.1 07/08/2011 36,8 Mo
InfraRecorder 07/08/2011 10,7 Mo
Intel(R) Graphics Media Accelerator Driver Intel Corporation 07/08/2011
Internet Download Manager 14/09/2011 9,80 Mo
iTunes Apple Inc. 28/08/2011 141,2 Mo 10.4.1.10
Java(TM) 6 Update 16 Sun Microsystems, Inc. 25/11/2009 97,7 Mo 6.0.160
Java(TM) 6 Update 26 Sun Microsystems, Inc. 15/03/2010 97,1 Mo 6.0.260
La boite a couleurs version 1.6.15 07/08/2011 2,39 Mo
LAME v3.98.2 for Audacity 26/11/2009 1,18 Mo
Malwarebytes' Anti-Malware version 1.51.1.1800 Malwarebytes Corporation 11/08/2011 6,71 Mo 1.51.1.1800
ManyCam 2.4 (remove only) ManyCam LLC 07/08/2011 24,1 Mo 2.4.55
Metaboli 07/08/2011
Microsoft .NET Framework 3.5 SP1 Microsoft Corporation 07/08/2011 37,0 Mo
Microsoft .NET Framework 4 Client Profile Microsoft Corporation 07/08/2011 120,3 Mo 4.0.30319
Microsoft .NET Framework 4 Extended Microsoft Corporation 07/08/2011 46,0 Mo 4.0.30319
Microsoft .NET Framework 4 Multi-Targeting Pack Microsoft Corporation 29/10/2010 83,5 Mo 4.0.30319
Microsoft Encarta 2009 - Collection Microsoft Corporation 17/08/2009 2 562 Mo 2009
Microsoft Help Viewer 1.0 Microsoft Corporation 07/08/2011 6,09 Mo 1.0.30319
Microsoft Office File Validation Add-In Microsoft Corporation 17/09/2011 7,92 Mo 14.0.5130.5003
Microsoft Office Live Add-in 1.3 Microsoft Corporation 30/07/2011 0,48 Mo 2.0.2313.0
Microsoft Office Outlook Connector Microsoft Corporation 30/07/2011 6,11 Mo 12.0.6423.1000
Microsoft Office Professional Plus 2007 Microsoft Corporation 07/08/2011 625 Mo 12.0.6425.1000
Microsoft Research AutoCollage 2008 Academic Edition Microsoft Research 19/12/2010 7,51 Mo 1.01.2008
Microsoft Silverlight Microsoft Corporation 18/06/2011 4.0.60531.0
Microsoft SQL Server 2005 Compact Edition [ENU] Microsoft Corporation 30/07/2011 1,74 Mo 3.1.0000
Microsoft SQL Server Compact 3.5 SP2 FRA Microsoft Corporation 29/10/2010 3,69 Mo 3.5.8080.0
Microsoft Sync Framework Runtime Native v1.0 (x86) Microsoft Corporation 30/07/2011 0,61 Mo 1.0.1215.0
Microsoft Sync Framework Services Native v1.0 (x86) Microsoft Corporation 30/07/2011 1,45 Mo 1.0.1215.0
Microsoft Visual C++ 2005 ATL Update kb973923 - x86 8.0.50727.4053 Microsoft Corporation 15/08/2009 0,25 Mo 8.0.50727.4053
Microsoft Visual C++ 2005 Redistributable Microsoft Corporation 17/06/2011 0,29 Mo 8.0.56336
Microsoft Visual C++ 2008 ATL Update kb973924 - x86 9.0.30729.4148 Microsoft Corporation 30/07/2010 0,19 Mo 9.0.30729.4148
Microsoft Visual C++ 2008 Redistributable - KB2467174 - x86 9.0.30729.5570 Microsoft Corporation 22/04/2011 0,58 Mo 9.0.30729.5570
Microsoft Visual C++ 2008 Redistributable - x86 9.0.21022.218 Microsoft Corporation 15/03/2010 0,58 Mo 9.0.21022.218
Microsoft Visual C++ 2008 Redistributable - x86 9.0.30729.17 Microsoft Corporation 26/07/2010 0,58 Mo 9.0.30729
Microsoft Visual C++ 2008 Redistributable - x86 9.0.30729.4148 Microsoft Corporation 12/08/2010 0,57 Mo 9.0.30729.4148
Microsoft Visual C++ 2008 Redistributable - x86 9.0.30729.4974 Microsoft Corporation 29/10/2010 0,58 Mo 9.0.30729.4974
Microsoft Visual C++ 2008 Redistributable - x86 9.0.30729.6161 Microsoft Corporation 18/06/2011 0,58 Mo 9.0.30729.6161
Microsoft Visual C++ 2010 x86 Redistributable - 10.0.30319 Microsoft Corporation 08/06/2011 10.0.30319
Microsoft Visual C++ 2010 Express - Français Microsoft Corporation 07/08/2011 390 Mo 10.0.30319
Microsoft Works 9 SE 07/08/2011
Module linguistique de la visionneuse d'aide Microsoft 1.0 - FRA Microsoft Corporation 07/08/2011 6,09 Mo 1.0.30319
Module linguistique Microsoft .NET Framework 3.5 SP1- fra Microsoft Corporation 07/08/2011 37,0 Mo
Module linguistique Microsoft .NET Framework 4 Client Profile FRA Microsoft Corporation 07/08/2011 19,2 Mo 4.0.30319
Module linguistique Microsoft .NET Framework 4 Extended FRA Microsoft Corporation 07/08/2011 11,7 Mo 4.0.30319
Mozilla Firefox (3.6.15) Mozilla 07/08/2011 31,6 Mo 3.6.15 (fr)
MSN Pictures Displayer 5.0 Sébastien BEGOUIN 07/09/2011 5,21 Mo
MSXML 4.0 SP2 (KB954430) Microsoft Corporation 14/01/2009 1,28 Mo 4.20.9870.0
MSXML 4.0 SP2 (KB973688) Microsoft Corporation 25/11/2009 1,34 Mo 4.20.9876.0
MSXML 4.0 SP2 Parser and SDK Microsoft Corporation 16/04/2011 36,00 Ko 4.20.9818.0
Nero 8 Essentials 07/08/2011 332 Mo
Notepad++ 07/08/2011 11,6 Mo 5.9.2
OpenAL 07/08/2011 0,77 Mo
Packard Bell ImageWriter 07/08/2011 128,5 Mo
Packard Bell LCD Test 07/08/2011 128,5 Mo
Packard Bell Updator 07/08/2011 128,5 Mo
PhotoFiltre Studio X 07/08/2011 14,6 Mo
PoiZone Image-Line 07/08/2011 9,15 Mo
Power Cinema 6 07/08/2011
QuickTime Apple Inc. 28/08/2011 73,0 Mo 7.70.80.34
Realtek High Definition Audio Driver Realtek Semiconductor Corp. 25/09/2010 22,2 Mo 6.0.1.6194
Realtek USB 2.0 Card Reader Realtek Semiconductor Corp. 22/05/2008 2,97 Mo
Remote Mouse version 1.09 Remote Mouse 10/06/2011 8,55 Mo 1.09
Revo Uninstaller 1.92 VS Revo Group 07/08/2011 6,60 Mo 1.92
Safari Apple Inc. 28/08/2011 43,4 Mo 5.34.50.0
SetUp My PC 07/08/2011
Shop for HP Supplies HP 07/08/2011 185,7 Mo 13.0
Skype 3.6.2.248 07/08/2011 26,6 Mo
Skype(TM) 5.3 Skype Technologies S.A. 13/05/2011 24,5 Mo 5.3.111
Synaptics Pointing Device Driver Synaptics 07/08/2011 13,2 Mo 10.0.1.0
System Requirements Lab CYRI Husdawg, LLC 13/06/2011 0,45 Mo 4.4.26.0
Toxic Biohazard Image-Line 07/08/2011 9,38 Mo
UsbFix By El Desaparecido El Desaparecido 31/08/2011 1,38 Mo
VLC media player 1.1.4 VideoLAN 07/08/2011 60,6 Mo 1.1.4
WampServer 2.1 Hervé Leclerc (HeL) 14/07/2011 219 Mo
Windows Live Essentials Microsoft Corporation 07/08/2011 44,0 Mo 14.0.8117.0416
Windows Live Sign-in Assistant Microsoft Corporation 30/07/2011 1,93 Mo 5.000.818.5
Windows Live Sync Microsoft Corporation 30/07/2011 2,79 Mo 14.0.8117.416
Windows Live Upload Tool Microsoft Corporation 30/07/2011 0,22 Mo 14.0.8014.1029
WinHTTrack Website Copier 3.43-9C HTTrack 16/08/2011 11,9 Mo 3.43.9
WinRAR archiver 07/08/2011 3,66 Mo


Comme vous pouvez le constater il yen a qui sont en double Mais qui n'ont pas la même version (comme java update et microsoft visual). Est il possible de supprimer une des versions? quels sont les programmes que je peux et ceux que je ne dois pas toucher? j'aimerais faire le ménage.
Merci.