Suppression programmes

Bonjour,
je voudrais savoir quel programmes je peux supprimer pour améliorer les capacités de mon ordinateur sans pour autant le mettre en danger. Voici les programmes en question:
-adobe AIR
-adobe flash player 11 activeX
-adobe reader X MUI
-Apple Application Suport
-Apple Mobile Device Support
-Atheros Bluetooth Filter Driver Package
-Atheros Communications Inc.(R) AR81 Family Gigabit/Fast Ethernet Driver
-Atheros Drivre Installation Program
-Bluetoth Stack for Windows by Toshiba
-Bonjour
-Conexant HD Audio
-Contrôle ActiveX Windows Live Mesh pour connexions à distance
-Controlo ActiveX do Windows Live Mesh para Ligaçoes Remotas
-eBay (je voudrais désinstaller celui-ci mais je n'y arrive pas)
-iCloud
-iTunes
-Java 7 Update 7
-Java(TM) 6 Update 20
-Logitech SetPoint 6.52
-MIcrossoft .NET Framework 4 Client Profile
-Microsoft Office Famille et Petite Entreprise 2010
-Microsoft Primary Interoperability Assemblies 2005
-Microsoft Silverlight
-Microsoft SQL Server 2005 Compact Edition (ENU)
-Microsoft Visual C++ 2005 Redistributable
-Microsoft Visual C++ 2005 Redistributable
-Microsoft Visual C++ 2005 Redistributable (x64)
-Microsoft Visual C++ 2005 Redistributable (x64)
-Microsoft Visual C++ 2008 Redistributable - x64 9.0.30729.17
-Microsoft Visual C++ 2008 Redistributable - x64 9.030729.6161
-Microsoft Visual C++ 2008 Redistributable - x86 9.0.21022
-Microsoft Visual C++ 2008 Redistributable - x86 9.0.30729.17
-Microsoft Visual C++ 2008 Redistributable - x86 9.0.30729.4148
-Microsoft Visual C++ 2008 Redistributable - x86 9.0.30729.6161
-Microsoft Visual C++ 2010 x64 Redistributable - 10.0.40219
-Microsoft Visual C++ 2010 x86 Redistributable - 10.0.40219
-Module linguistique Microsoft .NET Framework 4 Client Profile FRA
-MSXML 4.0 SP2 (KB954430)
-MSXML 4.0 SP2 (KB973688)
-MSXML 4.0 SP3 Parser
-MSXML 4.0 SP3 Parser (KB973685)
-MSXML 4.0 SP3 Parser (KB2721691)
-MSXML 4.0 SP3 Parser (KB2758694)
-Nero BackItUp 10
-Nero BurnRights 10
-Nero Express 10
-Nero Info Tool 10
-Nero MediaHub 10
-Nero Multimedia Suite 10 Essentials
-Nero RescueAgent 10
-Nero StartSmart 10
-Nero Update
-Norton Identity Safe
-NVIDIA 3D Vision Driver 266.69
-NVIDIA Graphics Driver 266.69
-NVIDIA PhysX System Software 9.10.0514
-OptimizerPro
-Qualcomm Atheros Client Installation Program
-Realtek USB 2.0 Reader Driver
-Synaptics Pointing Device Driver
-System Requirements Lab CYRI
-Technologie de stockage Intel Rapid
-TOSHIBA Assist
-TOSHIBA ConfigFree
-TOSHIBA Disc Creator
-TOSHIBA eco Utility
-TOSHIBA Face Recognition
-TOSHIBA Hardware Setup
-TOSHIBA HDD Protection
-TOSHIBA HDD/SSD Alert
-Toshiba Manuals
-TOSHIBA Online Product Information
-TOSHIBA PC Health Monitor
-TOSHIBA Recovery Media Creator
-TOSHIBA Recovery Media Creator Reminder
-TOSHIBA Service Station
-TOSHIBA Supervisor Password
-TOSHIBA TEMPRO
-TOSHIBA Value Added Package
-TOSHIBA Web Camera Application
-TOSHIBA Wireless LAN Indicator
-Unitech LLC toolbar
-Utilitaire TOSHIBA Sleep
-Utilitaire d'icônes pour Toshiba Places
-Uzak Baglantilar Için Windows Live Mesh ActiveX Denetimi
-Windows Live Mesh ActiveX Control for Remote Connections
-WinRAR 4.10 bêta 4 (32-bit)

J'ai mit les programmes dont je ne me servais pas et ceux dont j'ignorais l'existence.
Merci à vous.