My Sims 3 game keeps freezing and crashing during Create-a-sim!

thanks for the answer. I have a program ts3cla and it tell that i have this problem:

Processor Name: Intel(R) Core(TM)2 Duo CPU P7450 @ 2.13GHz Processor Architecture: x86 Graphics Processor: ATI Mobility Radeon HD 4500 Series (512 MiB, not found) Antiviruses: Microsoft Security Essentials, Panda Internet Security 2014 Games Installed: The Sims™ 3 (1.67.2.024002), The Sims™ 3 World Adventures (2.17.2.011032), The Sims™ 3 High-End Loft Stuff (3.13.1.011031), The Sims™ 3 Ambitions (4.10.1.011031), The Sims™ 3 Fast Lane Stuff (5.8.1.011031), The Sims™ 3 Late Night (6.5.1.011031), The Sims™ 3 Outdoor Living Stuff (7.3.2.011031), The Sims™ 3 Generations (8.0.152.011001), The Sims™ 3 Town Life Stuff (9.0.73.012001), The Sims™ 3 Pets (10.0.96.013001), The Sims™ 3 Master Suite Stuff (11.0.84.014001), The Sims™ 3 Showtime (12.0.273.015001), The Sims™ 3 Supernatural (15.0.135.018001), The Sims™ 3 Seasons (16.0.136.019001), The Sims™ 3 University Life (18.0.126.021001), The Sims™ 3 Movie Stuff (20.0.53.023001), The Sims™ 3 Into the Future (21.0.150.024001) Custom Content: Yes (315 found) [WARNING CUSTOM CONTENT] 23/5/2014 5:38:26 μμ OS Version: 6.1.7600 TS3 Path: C:\Program Files\Electronic Arts\The Sims 3\Game\Bin\TS3W.exe TS3 Version: 0.2.0.209 Installed RAM: 2,97 GiB TS3 Free VM: 591 MiB / 3,00 GiB Crash Type: ACCESS_VIOLATION reading address 0x881f017c Crash Address: 0x005c75e7 "C:\Program Files\Electronic Arts\The Sims 3\Game\Bin\TS3W.exe":0x0001:0x001c65e7 [INSUFFICIENT MEMORY] 26/5/2014 12:24:31 πμ OS Version: 6.1.7600 Installed RAM: 2,97 GiB TS3 Free VM: 337 MiB / 3,00 GiB Crash Type: ACCESS_VIOLATION reading address 0x9c25017c Crash Address: 0x005c75e7 "C:\Program Files\Electronic Arts\The Sims 3\Game\Bin\TS3W.exe":0x0001:0x001c65e7 [INSUFFICIENT MEMORY] 26/5/2014 8:38:02 μμ OS Version: 6.1.7600 Installed RAM: 2,97 GiB TS3 Free VM: 61 MiB / 3,00 GiB Crash Type: ACCESS_VIOLATION reading address 0x00000014 Crash Address: 0x005ec091 "C:\Program Files\Electronic Arts\The Sims 3\Game\Bin\TS3W.exe":0x0001:0x001eb091 [INSUFFICIENT MEMORY] 28/5/2014 9:11:09 μμ OS Version: 6.1.7600 Installed RAM: 2,97 GiB TS3 Free VM: 51 MiB / 3,00 GiB Crash Type: ACCESS_VIOLATION writing address 0x00000000 Crash Address: 0x72074a7f "C:\Windows\WinSxS\x86_microsoft.vc80.crt_1fc8b3b9a1e18e3b_8.0.50727.4940_none_d08cc06a442b34fc\MSVCR80.dll":0x0001:0x00013a7f

warning graphic device not found in database 0x9553 ati mobility radeon hd 4500 series

I dont know what to do anymore