这是啥奇怪的毛病

htbrkone

每次游戏进行20-30分钟后出现贴图丢失现象 比如菜单背景图片消失 个别物件贴图变成黑色，然后FPS骤降到个位数，数秒后CTD
机器是E8400OC3.6G 4GRAM GTX260 win7x86

使用MOD
00  Oblivion.esm
01  Oscuro's_Oblivion_Overhaul.esm  [Version 1.33]
02  Mart's Monster Mod.esm  [Version 3.5.5]
03  Mart's Monster Mod for OOO.esm  [Version 0.9.3]
04  Beautiful People 2ch-Ed.esm
05  mpc.esm
06  Unofficial Oblivion Patch.esp  [Version 3.2.0]
07  DLCShiveringIsles.esp
08  tes4-CHS-main.esp
09  personality_idles4.esp
0A  Living Economy.esp
0B  Living Economy - Items.esp
0C  Cutthroat Merchants.esp
0D  Expanded Hotkeys and Spell Delete v1.0.esp
0E  DLCHorseArmor.esp
0F  DLCOrrery.esp
10  DLCVileLair.esp
11  DLCMehrunesRazor.esp
12  DLCSpellTomes.esp
13  Hiyoko_Store.esp
14  It's A Wig!.esp
15  AT2 01-Shiki Armor Set.esp
16  AT2 Maid Style Outfit.esp
17  JPAC.esp
18  NANA整理的HGEC盔甲.esp
19  上古4攻略MOD.esp
1A  tes4-CHS-book.esp
1B  TempestBringer.esp
1C  emperorsword.esp
1D  TadEC_FrenchMaid.esp
1E  DLCThievesDen.esp
1F  Oscuro's_Oblivion_Overhaul.esp  [Version 1.33]
20  OOO-BirthSigns.esp  [Version 1.33]
21  OOO-DaedraLord_Quests.esp  [Version 1.33]
22  OOO-Dangerous_Traps.esp  [Version 1.33]
23  OOO-ThiefGuild_Difficult.esp  [Version 1.33]
24  OOO-Container_Trap_Instant_Effects.esp  [Version 1.33]
25  Mart's Monster Mod for OOO.esp  [Version 0.9.3]
26  Mart's Monster Mod - No Bone Loot.esp  [Version 3.5.5]
27  Mart's Monster Mod - Vindasel.esp
28  Mart's Monster Mod - Friendlier Factions OOO+FCOM.esp
29  Knights.esp
2A  MannimarcoRevisited.esp
2B  ElsweyrAnequina.esp
2C  Anequina-Fallenleaf-Patch.esp
2D  HoarfrostCastle.esp
2E  GlenvarCastle.esp
2F  MidasSpells.esp
30  SM Combat Hide.esp  [Version 1.2]
31  StealthOverhaul.esp
32  Beautiful People 2ch-Ed Vanilla Race.esp
33  Beautiful People 2ch-Ed Merged Hair Modules.esp
34  Beautiful People 2ch-Ed Merged Eye Modules.esp
35  Beautiful People 2ch-Ed Sheogorath Eye.esp
36  IDKRRR_C_race.esp
37  Sexlivion-ForBP2ch.esp
38  Viampirism Overhaul (X sunlight).esp
39  Oblivion XP.esp  [Version 4.1.5]
3A  Ramy Enfant.esp
3B  mpc 4in1.esp
3C  mpc og2 elwen&hunla.esp
3D  mpc og1 lily.esp
3E  mpc og3 mayu.esp
3F  MiniMap.esp
40  Bashed Patch, 0.esp

求解大概是啥问题...?