System Slow/Freezes on startup - svchost.exe uses 8GB+ RAM

Hi,
At each boot, my computer is low. In task manager i see
svchost.exe -k LocalService will max out around at around 8GB of 16Gb RAM and the process disappear after 4 and 5 minutes and my computer works normally after that.
I have no idea what is going on but I suspect 4 files of 2 Go in C:\Windows\System32\NetworkList\Icons
09/11/2014  22:49    <REP>          .
09/11/2014  22:49    <REP>          ..
09/11/2014  22:32     2 147 483 647 010103000F0000F0080000000F0000F0FD6351BBB831AB52F2AB90C652199FC03C6429E69137EB3A821E7FAF2FE7DB7F_16.bin
09/11/2014  22:33     2 147 483 647 010103000F0000F0080000000F0000F0FD6351BBB831AB52F2AB90C652199FC03C6429E69137EB3A821E7FAF2FE7DB7F_24.bin
09/11/2014  22:33     2 147 483 647 010103000F0000F0080000000F0000F0FD6351BBB831AB52F2AB90C652199FC03C6429E69137EB3A821E7FAF2FE7DB7F_32.bin
09/11/2014  22:33     2 147 483 647 010103000F0000F0080000000F0000F0FD6351BBB831AB52F2AB90C652199FC03C6429E69137EB3A821E7FAF2FE7DB7F_48.bin
14/07/2009  04:20    <REP>          StockIcons
12/01/2014  17:14             1 112 {3493F66E-C426-4B67-BEE1-F640C8611BAA}_16.bin
12/01/2014  17:14             2 456 {3493F66E-C426-4B67-BEE1-F640C8611BAA}_24.bin
12/01/2014  17:14             4 280 {3493F66E-C426-4B67-BEE1-F640C8611BAA}_32.bin
12/01/2014  17:14             9 560 {3493F66E-C426-4B67-BEE1-F640C8611BAA}_48.bin
18/05/2013  14:18             1 112 {78CCFA92-C742-4005-89AE-BB74532BE064}_16.bin
18/05/2013  14:18             2 456 {78CCFA92-C742-4005-89AE-BB74532BE064}_24.bin
18/05/2013  14:18             4 280 {78CCFA92-C742-4005-89AE-BB74532BE064}_32.bin
18/05/2013  14:18             9 560 {78CCFA92-C742-4005-89AE-BB74532BE064}_48.bin
13/06/2013  15:16             1 112 {BC9AD51C-3271-4DA2-A9BF-5F32F57A81D4}_16.bin
13/06/2013  15:16             2 456 {BC9AD51C-3271-4DA2-A9BF-5F32F57A81D4}_24.bin
13/06/2013  15:16             4 280 {BC9AD51C-3271-4DA2-A9BF-5F32F57A81D4}_32.bin
13/06/2013  15:16             9 560 {BC9AD51C-3271-4DA2-A9BF-5F32F57A81D4}_48.bin
              16 fichier(s)    8 589 986 812 octets
               3 Rép(s)  12 967 731 200 octets libres
As
mentionned here :(https://social.technet.microsoft.com/Forums/windows/en-US/35aa5d51-89d4-4dfa-a4fa-1138ff8b43c8/system-slowfreezes-on-startup-svchostexe-uses-8gb-ram) I
try to delete this files and reboot but, svchost create these file at each boot.
When i'm running windows in safe mode without network the probleme is not present.
Motherboard : Asustek P8P67 LE
CPU : Sandy Bridge i5-2500K @ 3.30GHz
Memory : 4*4096 Mbytes (PC3-10700 Corsair/Kingston)
GPU : NVIDIA GeForce GTX560 Ti 1Go
Thanks for any advices, i'm lost.

Hi,
For this problem, in my opinion, it would be better to make troubleshooting with Windows startup diagnosis tool, you can refer to the contents of the link below for more details:
http://social.technet.microsoft.com/wiki/contents/articles/10128.tools-for-troubleshooting-slow-boots-and-slow-logons-sbsl.aspx
Since you said it work fine in Safe Mode, you can also check is there any program start up with system, then try to disable them for test if Windows works fine.
Roger Lu
TechNet Community Support

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