Issues switching between clients.

I recently had to restore my computer to its factory settings, before I used to be able to alt+tab seamlessly between clients. Now after the wipe my clients are acting choppy and laggy. Does anybody know a reason for this and possibly a fix? I have an ATI Radeon 4800 series graphics card that has the latest drivers.

Run these two programs and post the results here. What they do is show us which drivers you are using, which in game settings, which currently installed programs (some of which might cause conflict) and which system updates you have.

CoHHelper and Hijackthis

---System information gathered by CoH Helper version 0.2.0.2---
DxDiag gathered at November 14, 2011 22:22 (-06:00)
Operating System: Windows XP Professional (5.1, Build 2600) Service Pack 3 (2600.xpsp_sp3_gdr.101209-1647)
System Manufacturer: Dell Inc
System Model: XPS 630i
BIOS: Phoenix - AwardBIOS v6.00PG
Central Processor: Intel(R) Core(TM)2 Quad CPU Q9550 @ 2.83GHz (4 CPUs)
Memory: 3326MB
.Net Memory Report: 2710MB out of 3325MB available
Page File: 4552MB (656MB currently in use)
C Drive: (ST350041 8AS SCSI Disk Device) 445341MB out of 466874MB (95%) free
D Drive: (TSSTcorp DVD+-RW TS-H653F SCSI CdRom Device) zero-size drive
Windows directory location: C:\WINDOWS
DirectX: DirectX 9.0c (4.09.0000.0904)
DirectX Diag version: 5.03.2600.5512 (32-bit version)
Display Notes: No problems found.
Sound Notes: No problems found.
Input Notes: No problems found.
Monitor: Plug and Play Monitor
Monitor's Max Resolution: 1600,1200
Video Device Name: ATI Radeon HD 4800 Series
Manufacturer / Chip: Advanced Micro Devices, Inc. / AMD Radeon Graphics Processor (0x9440)
Video Memory: 1024.0 MB
Driver Version: 6.14.0010.7230
Driver Date: 10/12/2011 2:00:06 PM
Driver Language: English
Sound Device Description: Realtek HD Audio output
Driver File: RtkHDAud.sys
Driver Version: 5.10.0000.5506
Driver Date: 1/14/2008 9:10:30 PM

WMI Information
Motherboard Manufacturer: Dell Inc
Motherboard Model: (empty)
Motherboard Product: 0C113J
Motherboard Version: A00
BIOS Manufacturer: Dell Inc.
BIOS Name: Phoenix - AwardBIOS v6.00PG
BIOS Version: DELL - 42302e31
BIOS Release: 20090505000000.000000+000

Registry Information for Current User
Resolution: 1024x768
3D Resolution: 1024x768 (Not using renderscale)
Full Screen: Yes
Maximized: No
Screen Position: 0, 0
Refresh Rate: 60Hz
Vertical Sync Enabled: Yes

Physics Quality: High
Maximum Particles: 50000
Max Particle Fill? 10.000
Physics Card Enabled: No

Anti-aliasing: Unknown (0)
Anisotropic Filtering: 4x
Texture LOD Bias: Smooth
Water Effects: High quality
Bloom: 1.000 (turned on)
Depth of Field Enabled: Yes
Desaturation Effects (Sepia) Enabled: Yes
Shader Detail: High

World Texture Level: Very High
Character Texture Level: Very High
World Detail Level (Vis_Scale): 1.000
Entity Detail Level: 1.000
Shadows Enabled: No
Shadow Mode: Shadow maps
Shadow Map Shader: Low quality
Environmental Reflections: Low quality
Advanced Occlusion Settings: No
Ambient Occlusion: High performance
Occlusion Strength: Slight
Blur: Fast
Ambient Resolution: High performance

Gamma Correction: 1.000
Geometry Buffers (VBOs) Enabled: Yes
Suppression of FX When Camera Close Enabled: No
Close Suppression Range: 3.000
Show Advertisements: Yes
Audio Mode: Performance
3D Audio: No
FX Sound Volume: 0.600
Music Sound Volume: 0.600
Show Advanced Graphics Options: No
Overall Graphics Quality: 0.750
Reverse Mouse Buttons: No
Save Login Username: Yes
Transfer Rate: Unknown bytes/second
Current Game Version: ?
Installation Directory: C:\Program Files\NCsoft\City of Heroes
Mod files in the Data directory
No modifications found

Logfile of Trend Micro HijackThis v2.0.4
Scan saved at 10:23:37 PM, on 11/14/2011
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v8.00 (8.00.6001.18702)
Boot mode: Normal
Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\lsass.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Avira\AntiVir Desktop\sched.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\RTHDCPL.EXE
C:\WINDOWS\system32\nvraidservice.exe
C:\Program Files\CyberLink\PowerDVD DX\PDVDDXSrv.exe
C:\Program Files\Dell Support Center\bin\sprtcmd.exe
C:\Program Files\Avira\AntiVir Desktop\avgnt.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Avira\AntiVir Desktop\avguard.exe
C:\Program Files\Java\jre6\bin\jqs.exe
C:\Program Files\Bigfoot Networks\Killer Driver\KillerTray.exe
C:\Program Files\Bigfoot Networks\Killer Driver\PortManager.exe
C:\Program Files\NVIDIA Corporation\nTune\nTuneService.exe
C:\Program Files\Windows Desktop Search\WindowsSearch.exe
C:\Program Files\Microsoft\Search Enhancement Pack\SeaPort\SeaPort.exe
C:\Program Files\Dell Support Center\bin\sprtsvc.exe
C:\WINDOWS\system32\SearchIndexer.exe
C:\Program Files\Avira\AntiVir Desktop\avshadow.exe
C:\WINDOWS\system32\wbem\unsecapp.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Windows Live\Toolbar\wltuser.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\WINDOWS\system32\msiexec.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Trend Micro\HiJackThis\HiJackThis.exe
C:\WINDOWS\system32\SearchProtocolHost.exe
C:\WINDOWS\system32\SearchProtocolHost.exe
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://g.msn.com/USCON/1
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://www.live.com
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://g.msn.com/USCON/1
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKLM\Software\Microsoft\Internet Explorer\Search,Default_Page_URL = http://g.msn.com/USCON/1
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - c:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: (no name) - {5C255C8A-E604-49b4-9D64-90988571CECB} - (no file)
O2 - BHO: Search Helper - {6EBF7485-159F-4bff-A14F-B9E3AAC4465B} - C:\Program Files\Microsoft\Search Enhancement Pack\Search Helper\SearchHelper.dll
O2 - BHO: Windows Live Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files\Java\jre6\bin\jp2ssv.dll
O2 - BHO: Windows Live Toolbar Helper - {E15A8DC0-8516-42A1-81EA-DC94EC1ACF10} - C:\Program Files\Windows Live\Toolbar\wltcore.dll
O2 - BHO: JQSIEStartDetectorImpl - {E7E6F031-17CE-4C07-BC86-EABFE594F69C} - C:\Program Files\Java\jre6\lib\deploy\jqs\ie\jqs_plugin.dll
O3 - Toolbar: &Windows Live Toolbar - {21FA44EF-376D-4D53-9B0F-8A89D3229068} - C:\Program Files\Windows Live\Toolbar\wltcore.dll
O4 - HKLM\..\Run: [RTHDCPL] RTHDCPL.EXE
O4 - HKLM\..\Run: [Alcmtr] ALCMTR.EXE
O4 - HKLM\..\Run: [NVRaidService] C:\WINDOWS\system32\nvraidservice.exe
O4 - HKLM\..\Run: [StartCCC] "C:\Program Files\ATI Technologies\ATI.ACE\Core-Static\CLIStart.exe" MSRun
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "c:\Program Files\Adobe\Reader 9.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [PDVDDXSrv] "C:\Program Files\CyberLink\PowerDVD DX\PDVDDXSrv.exe"
O4 - HKLM\..\Run: [dellsupportcenter] "C:\Program Files\Dell Support Center\bin\sprtcmd.exe" /P dellsupportcenter
O4 - HKLM\..\Run: [avgnt] "C:\Program Files\Avira\AntiVir Desktop\avgnt.exe" /min
O4 - HKCU\..\Run: [NVIDIA nTune] C:\Program Files\NVIDIA Corporation\nTune\nTuneCmd.exe resetprofile
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - Global Startup: Killer Tray Menu.lnk = ?
O4 - Global Startup: Windows Search.lnk = C:\Program Files\Windows Desktop Search\WindowsSearch.exe
O9 - Extra button: Blog This - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Program Files\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra 'Tools' menuitem: &Blog This in Windows Live Writer - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Program Files\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O10 - Unknown file in Winsock LSP: c:\windows\system32\nwprovau.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\bfllr.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\bfllr.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\bfllr.dll
O22 - SharedTaskScheduler: Browseui preloader - {438755C2-A8BA-11D1-B96B-00A0C90312E1} - C:\WINDOWS\system32\browseui.dll
O22 - SharedTaskScheduler: Component Categories cache daemon - {8C7461EF-2B13-11d2-BE35-3078302C2030} - C:\WINDOWS\system32\browseui.dll
O23 - Service: Avira Scheduler (AntiVirSchedulerService) - Avira Operations GmbH & Co. KG - C:\Program Files\Avira\AntiVir Desktop\sched.exe
O23 - Service: Avira Realtime Protection (AntiVirService) - Avira Operations GmbH & Co. KG - C:\Program Files\Avira\AntiVir Desktop\avguard.exe
O23 - Service: Ati HotKey Poller - ATI Technologies Inc. - C:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: Java Quick Starter (JavaQuickStarterService) - Sun Microsystems, Inc. - C:\Program Files\Java\jre6\bin\jqs.exe
O23 - Service: Killer Port Manager - Unknown owner - C:\Program Files\Bigfoot Networks\Killer Driver\PortManager.exe
O23 - Service: Performance Service (nTuneService) - NVIDIA - C:\Program Files\NVIDIA Corporation\nTune\nTuneService.exe
O23 - Service: SupportSoft Sprocket Service (DellSupportCenter) (sprtsvc_DellSupportCenter) - SupportSoft, Inc. - C:\Program Files\Dell Support Center\bin\sprtsvc.exe
O23 - Service: stllssvr - MicroVision Development, Inc. - C:\Program Files\Common Files\SureThing Shared\stllssvr.exe
--
End of file - 7110 bytes

Any ideas or solutions anyone!?!?!?!?!?!?

I'm not really seeing anything that stands out. Do you have the nclauncher set to shut down after launching?

Were you previously using the -maxinactivefps feature and perhaps it was lost after restoring your computer?

In NCsoft Launcher, right click on the game and select Properties. In the Extra Command Line Parameters (Advanced), put:

-maxinactivefps 5

and hit OK. Now, when you run two clients, the one(s) in the background (the one(s) which do not have focus) will reduce their rendering to allow the client in the foreground (the one with focus) to have more GPU resources.