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Solve : - Application Error - 0xc0000005?

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Please Help!

I am running xp home w/sp2 on my pc. Many programs won't run. Some work and others don't. The ones that don't work, when I try to open something, I get the 0xc0000005 error. For example, I will double click the norton antivirus icon on my taskbar and a small window pops up saying

"NMain.exe - Application Error .. The Application failed to initialize properly (0xc0000005). Click on OK to terminate the application."

I click ok and the window pops up again. I click ok again and it goes away. This also happens when I do ctrl+alt+del. I can't open the taskmanager. The same error (but with taskmgr.exe in the heading) appears. I have to click twice to close it. When I right click on my desktop and click on properties I get the same error (with rundll32.exe in the heading). I get the rundll32.exe error when trying to access anything in the control panel. I can't open the add/remove programs without getting the error. When I try to install something I get the (msiexec.exe) 0xc0000005 error also.

I don't understand why some programs work and others don't. IE and firefox both work and my internet connection is fine. I also can't access very much through the run command. I type in msconfig and nothing happens.

With my norton antivirus, I can't access it but it still works. I know this because a scheduled system check up runs everyday at 5:30 pm. I was able to run a virus scan through one button checkup. The scan came up clean. I also ran ad-aware se pro, Microsoft antispyware, and spybot and they came up with nothing also. So I don't think it is a virus or malware.

This problem started about 2 days ago. I don't know what caused it. Since it started happening though, I sometimes also have trouble booting up. Sometimes the windows boot screen will take 10-15 minutes. I also have trouble restarting/shutting down. It takes long and the taskmgr program not responding - end now - screen will pop up multiple times for different programs. I also think that maybe some things aren't loading right on startup. Before this problem, when I logged in to my user account, it would take a little longer for the startup programs to load...(not really long or anything) Now when I log in...everything is done loading very quickly. I think that some things aren't loading correctly.

Though I couldn't access msconfig through the run command, I checked my startup programs through microsoft antispyware and spybot. Everything looked fine. I couldn't load the taskmgr to look at the running processes so I used the adaware process watch. It was kind of complicated to understand so I just used the microsoft antispyware to view the processes. I think everything looked ok. I didn't notice anything suspicious.

I have tried various things to try to fix this problem, but since I don't know what EXACTLY is causing this problem, I haven't been successful. I have run windows update, updated my anti-virus, and run a disc check twice. I have tried to restore my computer to a previous date twice and been unsuccessful. I did a Google search and didn't find anything relevant.

I can go into safe mode and everything seems to work okay. I don't get the 0xc0000005 error and I can USE the run command and access the msconfig utility. I don't know what to do to fix this problem. I don't know if there is a problem with the registry or startup services or what....

I hope I have described everything sufficiently. If anyone knows a solution, please respond. Any help would be greatly appreciated.

Thanksgo back into safe mode......now the control panel...click admin tools.....have a look at the events log........what does it say?.......have you added any new hardware?.....have you adjust the firewall settings?...there maybe an issue with nav....visit symantec website.....suggestions....Virus scanners
AVG Free
-- Anti virus scanner


Anti spy/malware
Microsoft Antispyware
-- Anti spyware scanner. Windows XP Home and Professional only.
Spybot Search & Destroy
-- Anti spyware scanner
Adaware SE Personal
-- Anti spyware scanner

Firewalls
ZoneAlarm Free
-- Free firewall - more user friendly
Sygate Personal
-- Free firewall - more configuration options

Removal tools
The FOLLOWING files are not SUBSTITUTES for the ones described above.
They are either diagnostic tools or removal tools for malware of a certain kind


HijackThis
-- Manual malware remover. Post the HijackThis log generated only if requested!
McAfee Stinger
-- Virus removal tool. No substitute for a fully FUNCTIONAL virus scanner!
CWshredder
-- CoolWebSearch removal tool. Widely known and persistant Hijacker.Kaylee:

Do you have a version of Norton Antivirus earlier than version 8 installed?

http://support.microsoft.com/default.aspx?scid=kb;en-us;317153&Product=win2000

DocI looked at the events log. I'm not an expert at reading them, but I couldn't figure out what originally caused the error. I did see that the error first occured on the 10th. I really don't know what to make of the rest of the info.

I haven't installed any new hardware or adjusted firewall settings. I disabled Norton Systemworks and Internet Security and their services so they no longer run on startup. I still have the application error.

I have gone into safe mode and unticked all the boxes in the startup menu. I rebooted and still get the error. I can't even use windows notepad or calculator without getting the 0xc0000005 application error.

I have done scans with Norton antivirus, Trend Micro, Microsoft Antispyware, Spybot, and Ad-aware SE Pro. None found spyware/malware/viruses.


Any more suggestions? I appreciate any help.

ThanksKaylee:  

Did you recently install Service Pack 2 (or use Windows Update)?

Do you have a Logitech USB mouse?

http://support.microsoft.com/kb/q302971/

My guess is that my above post is the clue to the cause, or a virus has disabled Norton Antivirus (NAV).  You may be able to boot to Safe Mode and reinstall NAV.

Regards,
DocHi Doc, thanks for replying. I hadn't seen your first post.

Quote

Kaylee:

Do you have a version of Norton Antivirus earlier than version 8 installed?

http://support.microsoft.com/default.aspx?scid=kb;en-us;317153&Product=win2000

Doc


I have Norton Systemworks Pro 2004 and Norton Internet Security Pro 2004.

Quote
Kaylee:  

Did you recently install Service Pack 2 (or use Windows Update)?

Do you have a Logitech USB mouse?

http://support.microsoft.com/kb/q302971/

My guess is that my above post is the clue to the cause, or a virus has disabled Norton Antivirus (NAV).  You may be able to boot to Safe Mode and reinstall NAV.

Regards,
Doc


I installed sp2 when it first became available. I haven't had any problems. I did use the windows update recently, but  there wasn't any problem with the update. I don't know if the update caused any conflicts.

I do have a logitech mouse, but I've had it for over a year with no prior problems.

In regard to Norton, I can't access the add/remove programs in the control panel. In safe mode I can, but I get an error message when trying to uninstall software. It says that the windows installer can't work in safe mode.

As for viruses or malware, I have found none on my system. I have done scans with Norton antivirus, Trend Micro, Microsoft Antispyware, Spybot, and Ad-aware SE Pro. None found spyware/malware/viruses.

I don't know what else to do. Any other ideas?

ThanksKaylee:

NMain.exe is a Norton Antivirus executable program.  If it fails to initialize, it, or one of the files associated with it, is either corrupted or being prevented from functioning (by a virus, for example).  

Try booting to Safe Mode and reinstalling NAV.  Put the NAV installation CD in the CD-ROM drive and see if the installation starts.  You may have to explore the CD and double-click a file named something like autorun.exe or setup.exe.

Regards,
Doc
First do an online virus scan with Free Trend Micro Housecall


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