Help Windows explorer keeps giving me a error

I get this error saying that "explorer has casues an error in <unknown> and explorer will now close.. and then when i try to get into my internet explorer it gives the same problem.. what should i do? and one time i got the same error but with "newdotnet4_80.dll" showin as the problem.. what do i do?

also i just added a new wireless pc card.. and thats when all of this started not working.. could that be the problem? some one please help me

i tried a couple of things, and i even got "hijackthis" installed and running.. so if someone can tell me what files are safe to remove?

here is my log

Running processes:
C:\WINDOWS\SYSTEM\KERNEL32.DLL
C:\WINDOWS\SYSTEM\MSGSRV32.EXE
C:\WINDOWS\SYSTEM\SPOOL32.EXE
C:\WINDOWS\SYSTEM\MPREXE.EXE
C:\WINDOWS\SYSTEM\MSTASK.EXE
C:\WINDOWS\SYSTEM\ATI2EVXX.EXE
C:\WINDOWS\SYSTEM\MDM.EXE
C:\WINDOWS\SYSTEM\STIMON.EXE
C:\WINDOWS\SYSTEM\mmtask.tsk
C:\WINDOWS\SYSTEM\RESTORE\STMGR.EXE
C:\WINDOWS\TASKMON.EXE
C:\WINDOWS\SYSTEM\SYSTRAY.EXE
C:\WINDOWS\SYSTEM\ATIPTAXX.EXE
C:\PROGRAM FILES\DELL\ACCESSDIRECT\DADAPP.EXE
C:\WINDOWS\DOCKAPP.EXE
C:\WINDOWS\SYSTEM\WMIEXE.EXE
C:\PROGRAM FILES\NORTON ANTIVIRUS\NAVAPW32.EXE
C:\WINDOWS\SYSTEM\HPZTSB03.EXE
C:\PROGRAM FILES\COMMON FILES\MICROSOFT SHARED\WORKS SHARED\WKUFIND.EXE
C:\WINDOWS\LOADQM.EXE
C:\WINDOWS\SYSTEM\QTTASK.EXE
C:\WINDOWS\RUNDLL32.EXE
C:\PROGRAM FILES\SPYWARE DOCTOR\SPYDOCTOR.EXE
C:\PROGRAM FILES\AIM95\AIM.EXE
C:\WINDOWS\EXPLORER.EXE
C:\PROGRAM FILES\WINZIP\WINZIP32.EXE
C:\WINDOWS\TEMP\HIJACKTHIS.EXE

R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.my.delleworks.com
F1 - win.ini: run=C:\WINDOWS\..\PROGRA~1\COMMON~1\MICROS~1\MSINFO\msinfo.exe hpfsched
N1 - Netscape 4: user_pref("browser.startup.homepage", "http://www.uic.edu/homeindex/"); (C:\Program Files\UICNSKit\Communicator\Users\default\prefs.js)
O2 - BHO: Yahoo! Companion BHO - {02478D38-C3F9-4efb-9B51-7695ECA05670} - C:\WINDOWS\DOWNLOADED PROGRAM FILES\YCOMP5_0_2_7.DLL
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\UICNSKit\ACROREAD\READER\ACTIVEX\ACROIEHELPER.OCX
O3 - Toolbar: @msdxmLC.dll,[email protected],&Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\SYSTEM\MSDXM.OCX
O3 - Toolbar: Yahoo! Companion - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\WINDOWS\DOWNLOADED PROGRAM FILES\YCOMP5_0_2_7.DLL
O4 - HKLM\..\Run: [ScanRegistry] C:\WINDOWS\scanregw.exe /autorun
O4 - HKLM\..\Run: [TaskMonitor] C:\WINDOWS\taskmon.exe
O4 - HKLM\..\Run: [PCHealth] C:\WINDOWS\PCHealth\Support\PCHSchd.exe -s
O4 - HKLM\..\Run: [SystemTray] SysTray.Exe
O4 - HKLM\..\Run: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\Run: [AtiPTA] Atiptaxx.exe
O4 - HKLM\..\Run: [SynTPLpr] C:\Program Files\Synaptics\SynTP\SynTPLpr.exe
O4 - HKLM\..\Run: [SynTPEnh] C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
O4 - HKLM\..\Run: [CPortPatch] C:\WINDOWS\Quick Install\CPPatch.exe
O4 - HKLM\..\Run: [DadApp] C:\Program Files\DELL\AccessDirect\dadapp.exe
O4 - HKLM\..\Run: [BayMgr] DockApp.exe
O4 - HKLM\..\Run: [Norton Auto-Protect] C:\PROGRA~1\NORTON~1\NAVAPW32.EXE /LOADQUIET
O4 - HKLM\..\Run: [HPDJ Taskbar Utility] C:\WINDOWS\SYSTEM\hpztsb03.exe
O4 - HKLM\..\Run: [Microsoft Works Update Detection] C:\Program Files\Common Files\Microsoft Shared\Works Shared\WkUFind.exe
O4 - HKLM\..\Run: [Internat Conf] \bootconf.exe
O4 - HKLM\..\Run: [LoadQM] loadqm.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\WINDOWS\SYSTEM\QTTASK.EXE" -atboottime
O4 - HKLM\..\Run: [WildTangent CDA] RUNDLL32.exe C:\PROGRA~1\WILDTA~1\APPS\CDA\CDAENG~1.DLL,cdaEngineMain
O4 - HKLM\..\Run: [MSConfigReminder] C:\WINDOWS\SYSTEM\msconfig.exe /reminder
O4 - HKLM\..\RunServices: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\RunServices: [SchedulingAgent] mstask.exe
O4 - HKLM\..\RunServices: [SSDPSRV] C:\WINDOWS\SYSTEM\ssdpsrv.exe
O4 - HKLM\..\RunServices: [ATIPOLAB] ati2evxx.exe
O4 - HKLM\..\RunServices: [Machine Debug Manager] C:\WINDOWS\SYSTEM\MDM.EXE
O4 - HKLM\..\RunServices: [*StateMgr] C:\WINDOWS\System\Restore\StateMgr.exe
O4 - HKLM\..\RunServices: [StillImageMonitor] C:\WINDOWS\SYSTEM\STIMON.EXE
O4 - HKLM\..\RunServices: [ScriptBlocking] "C:\Program Files\Common Files\Symantec Shared\Script Blocking\SBServ.exe" -reg
O4 - HKCU\..\Run: [Spyware Doctor] "C:\PROGRAM FILES\SPYWARE DOCTOR\SPYDOCTOR.EXE" /Q
O9 - Extra button: (no name) - {CD67F990-D8E9-11d2-98FE-00C0F0318AFE} - (no file)
O9 - Extra button: AIM - {AC9E2541-2814-11d5-BC6D-00B0D0A1DE45} - C:\PROGRAM FILES\AIM95\AIM.EXE
O9 - Extra button: Messenger - {4528BBE0-4E08-11D5-AD55-00010333D0AD} - C:\PROGRAM FILES\YAHOO!\MESSENGER\YHEXBMES0819.DLL
O9 - Extra 'Tools' menuitem: Yahoo! Messenger - {4528BBE0-4E08-11D5-AD55-00010333D0AD} - C:\PROGRAM FILES\YAHOO!\MESSENGER\YHEXBMES0819.DLL
O9 - Extra button: Dell Home - {EE117DAA-A30B-40FC-945C-38AE1B80C1FA} - http://www.my.delleworks.com (file missing) (HKCU)
O10 - Hijacked Internet access by New.Net
O10 - Hijacked Internet access by New.Net
O10 - Hijacked Internet access by New.Net
O10 - Hijacked Internet access by New.Net
O10 - Hijacked Internet access by New.Net
O12 - Plugin for .spop: C:\Program Files\INTERN~1\Plugins\NPDocBox.dll
O12 - Plugin for .avi: C:\PROGRAM FILES\UICNSKIT\COMMUNICATOR\PROGRAM\PLUGINS\npavi32.dll
O12 - Plugin for .swf: C:\PROGRAM FILES\UICNSKIT\COMMUNICATOR\PROGRAM\PLUGINS\npswf32.dll
O14 - IERESET.INF: START_PAGE_URL=http://www.my.delleworks.com
O16 - DPF: {EE5CA45C-BFAC-48E6-BE6C-3C607620FF43} (IMViewerControl Class) - http://companion.logitech.com/companion/logitech/ver1.3.0.2041/bin/imvid.cab
O16 - DPF: {EF99BD32-C1FB-11D2-892F-0090271D4F88} (Yahoo! Companion) - http://us.dl1.yimg.com/download.yahoo.com/dl/toolbar/ym/yiebio5_0_2_7.cab
O16 - DPF: {DF780F87-FF2B-4DF8-92D0-73DB16A1543A} (PopCapLoader Object) - http://download.games.yahoo.com/games/popcap/zuma/popcaploader_v5.cab
O16 - DPF: {74D05D43-3236-11D4-BDCD-00C04F9A3B61} (HouseCall Control) - http://a840.g.akamai.net/7/840/537/2004033001/housecall.antivirus.com/housecall/xscan53.cab
O19 - User stylesheet: (file missing) (HKLM)

 

It could be due to Malware. Download and run the following programs:

CWShreder

http://www.majorgeeks.com/download4086.html

Adaware

http://www.lavasoftusa.com/support/download/

Sybot Search and Destroy

http://spybot.eon.net.au/en/download/index.html

Then Post the latest HijackThis log.