Quel programme garder

Bonjour,
voila je voudrais savoir si les logiciels que j ai sur mon pc son bon et si il n y a pas de possibilité de conflit entre eux voici la liste :
acer empowering
acer epower management
acer directory migration tool
adobe flash player 10
adobe reader 9.2
assitant de connexion windows live
ati sofware uninstall utility
ati display driver
avira antivir personnel
ccleaner
connexant ac-link audio
daemon tools
free mp3 wma converter v 1.9
glary utilities 2.18.0.786
google toolbar for internet explorer
icach(vi) pc camera
installation widows live
intel(r) graphics media accelerator driver for mobile
java (tm)6 update 17
lecteur windows media 11
logon loader 2.1.0
microsoft.net framework 1.1
microsoft. net framework 2.0 pack 2
microsoft. net framework 3.0 pack 2
microsoft. net framework 3.5 sp1
microsoft compression client pack 1.0 for windows xp
microsoft life cam
microsoft office live add-in1.3
microsoft office outlook connector
microsoft office outlook connector
microsoft office professional edition 2003
microsoft silverlight
microsoft SQL server 2005 compact editiion [ENU]
microsoft User-mode driver framework feature pack 1.0
microsoft visual C++2005 ATL Update kb 973923- x86 8.0 50727.4053
microsoft visual C++ 2005redistributable
microsoft visual C++2008 ATL Update kb 973924- x86 9.030729.4148
microsoft visual C++2008 redistributable- x86 9.030729.17
microsoft works
MSXML 4.0 SP2 (KB927978)
MSXML 4.0 SP2 (KB954430)
MSXML 4.0 SP2 (KB973688)
MSXML 6 Service pack 2 (KB973686)
MSXML4 parser
nero 9 essentials
NTI Backup NOW! 4
NTI CD & DVD-maker
Outil de telechargement Windows live
Power Producer
Soft V92 Data fax modem with SmartCP
texas intruments PCIxx21/x515drivers.
upapp
WA UPdate v3.50 beta2
WIDCOMM bluetooth software
windows internet explorer 8
windows live folder Share
windows Media Format 11 runtime
windows resource kit tools
windows support tools
winRAR archiver
merci de votre aide