FPS/Lag Issues. Please help.

I am having some serious serious computer issues. FPS drops down to what has to be 2 to 3 frames a second, if even. It only happens when I'm playing games (It used to do this when I played WoW as well.) and it slows down the entire computer. The FPS drops every 30 seconds to a minute for about 30 seconds. Then it's normal. And then it happens again. I can't play on anything but the lowest graphic settings or it happens even more often. And even on those settings it happens.

Here's the CoHHelper log. Hijack this doesn't seem to want to work for me though...

---System information gathered by CoH Helper version 0.2.0.2---

DxDiag gathered at August 20, 2010 14:13 (-04:00)
Operating System: Windows Vista™ Home Premium (6.0, Build 6002) Service Pack 2 (6002.vistasp2_gdr.100608-0458)
System Manufacturer: ASUSTeK Computer Inc.
System Model: G50V
BIOS: Default System BIOS
Central Processor: Intel(R) Core(TM)2 Duo CPU T5750 @ 2.00GHz (2 CPUs), ~2.0GHz
Memory: 4094MB
.Net Memory Report: 1089MB out of 4094MB available
Page File: 1180MB (3840MB currently in use)
C Drive: (ST9200420AS) 15681MB out of 95390MB (16%) free
D Drive: (ST9200420AS) 14590MB out of 85388MB (17%) free
G Drive: (Seagate FreeAgent Go USB Device) 437532MB out of 476937MB (91%) free
E Drive: (HL-DT-ST DVDRAM GSA-T50L) zero-size drive
I Drive: (QNAXATO EZ0DE34PIJ0 SCSI CdRom Device) zero-size drive
Windows directory location: C:\Windows
DirectX: DirectX 11
DirectX Diag version: 7.00.6002.18107 (64-bit version)

Display Notes: No problems found.
Sound Notes: No problems found.

No problems found.
Input Notes: No problems found.

Monitor: Generic PnP Monitor
Monitor's Max Resolution: (blank)
Video Device Name: NVIDIA GeForce 9700M GT
Manufacturer / Chip: NVIDIA / GeForce 9700M GT
Video Memory: 2287 MB
Driver Version: 8.17.0012.5896
Driver Date: 7/9/2010 6:38:00 PM
Driver Language: English

Sound Device Description: Speakers (Realtek High Definition Audio)
Driver File: RTKVHD64.sys
Driver Version: 6.00.0001.5643
Driver Date: 6/13/2008 5:08:55 AM

Sound Device Description: Realtek Digital Output (Realtek High Definition Audio)
Driver File: RTKVHD64.sys
Driver Version: 6.00.0001.5643
Driver Date: 6/13/2008 5:08:55 AM


WMI Information
Motherboard Manufacturer: ASUSTeK Computer Inc.
Motherboard Model: (empty)
Motherboard Product: G50V
Motherboard Version: 1.0
BIOS Manufacturer: American Megatrends Inc.
BIOS Name: Default System BIOS
BIOS Version: _ASUS_ - 20080723
BIOS Release: 20080723000000.000000+000


Registry Information for Current User
Resolution: 1366x720
3D Resolution: 1366x720 (Not using renderscale)
Full Screen: No
Maximized: Yes
Screen Position: 0, 0
Refresh Rate: 60Hz
Vertical Sync Enabled: No


Physics Quality: None
Maximum Particles: 100
Max Particle Fill? 10.000
Physics Card Enabled: No


Anti-aliasing: 2x
Anisotropic Filtering: None
Texture LOD Bias: Crisp
Water Effects: None
Bloom: 1.000 (turned off)
Depth of Field Enabled: No
Desaturation Effects (Sepia) Enabled: No
Shader Detail: Unknown (4)


World Texture Level: Unknown (3)
Character Texture Level: Low
World Detail Level (Vis_Scale): 0.500
Entity Detail Level: 0.300
Shadows Enabled: Yes
Shadow Mode: Disabled
Shadow Map Shader: Unknown (0)
Environmental Reflections: Disabled
Advanced Occlusion Settings: No
Ambient Occlusion: Off
Occlusion Strength: Off
Blur: Bilateral
Ambient Resolution: Performance


Gamma Correction: 1.000
Geometry Buffers (VBOs) Enabled: Yes
Suppression of FX When Camera Close Enabled: Yes
Close Suppression Range: 3.000
Show Advertisements: Yes

Audio Mode: Compatiblity
3D Audio: No
FX Sound Volume: 0.122
Music Sound Volume: 0.000

Show Advanced Graphics Options: No
Overall Graphics Quality: 0.000
Reverse Mouse Buttons: No
Save Login Username: Yes
Transfer Rate: 607208 bytes/second
Current Game Version: 1850.201007290124.19T2
Installation Directory: D:\program files\City\City of Heroes

Mod files in the Data directory
.\texture_library\MAPS\city has 1 file
.\texture_library\MAPS\Midnight_Squad has 1 file
.\texture_library\MAPS\Safeguard has 9 files
.\texture_library\MAPS\sewers has 44 files
.\texture_library\MAPS\static has 32 files
.\texture_library\V_MAPS\Outdoor_Missions has 9 files
.\texture_library\V_MAPS\Static has 16 files

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Bump.

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Chances are it's your system dropping down processor power to prevent damage due to overheating. Try using some canned air to clean out your system thoroughly. Whenever cleaning any of the fans hold them in place with a pencil eraser so they don't spin as you spray them.

If you are still having the same problem afterwords then post here again.

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Don't count your weasels before they pop dink!