Norton Security Norton Security

How to uninstall Norton Security from your system

This web page contains thorough information on how to uninstall Norton Security for Windows. It is developed by Symantec Corporation. Go over here for more info on Symantec Corporation. More info about the app Norton Security can be found at . Usually the Norton Security program is installed in the C:\Program Files (x86)\Norton Security directory, depending on the user's option during setup. Norton Security's full uninstall command line is C:\Program Files (x86)\NortonInstaller\{0C55C096-0F1D-4F28-AAA2-85EF591126E7}\NS\562C4DD5\\InstStub.exe. The program's main executable file is titled asOELnch.exe and its approximative size is 80.77 KB (82712 bytes).

The following executable files are contained in Norton Security. They occupy 13.56 MB (14222808 bytes) on disk.

  • asOELnch.exe (80.77 KB)
  • BHCA.exe (370.92 KB)
  • cltLMH.exe (1.91 MB)
  • cltRT.exe (4.33 MB)
  • coInst.exe (67.30 KB)
  • coNatHst.exe (44.30 KB)
  • EFAInst.exe (143.13 KB)
  • elaminst.exe (705.67 KB)
  • InstCA.exe (395.27 KB)
  • MCUI32.exe (182.27 KB)
  • Navw32.exe (160.27 KB)
  • NS.exe (275.91 KB)
  • NSc.exe (1.58 MB)
  • RuleUp.exe (831.66 KB)
  • SRTSP_CA.exe (60.70 KB)
  • SymDgnHC.exe (188.16 KB)
  • symerr.exe (65.77 KB)
  • tuIH.exe (365.84 KB)
  • WFPUnins.exe (461.66 KB)
  • WSCStub.exe (184.87 KB)
  • asOELnch.exe (88.27 KB)
  • coNatHst.exe (50.80 KB)
  • CpySnpt.exe (59.27 KB)
  • Sevntx64.exe (327.66 KB)
  • SymIMI64.exe (597.66 KB)
  • uiStub.exe (173.27 KB) to view all...

This page is about Norton Security version only. You can find below info on other versions of Norton Security: to view all...
If planning to uninstall Norton Security you should check if the following data is left behind on your PC.

You should delete the folders below after you uninstall Norton Security:
  • C:\Program Files (x86)\Norton Security

The files below were left behind on your disk by Norton Security when you uninstall it:
  • C:\Program Files (x86)\Norton Security\Branding\\09\01\diFVal.dll
  • C:\Program Files (x86)\Norton Security\Branding\\09\01\EULA_Int.htm
  • C:\Program Files (x86)\Norton Security\Branding\\09\01\EULA_NA.htm
  • C:\Program Files (x86)\Norton Security\Branding\\09\01\isBrand.loc
  • C:\Program Files (x86)\Norton Security\Branding\\09\01\muis.dll
  • C:\Program Files (x86)\Norton Security\Branding\\09\01\Readme.htm
  • C:\Program Files (x86)\Norton Security\Branding\en-US\muis.dll.mui
  • C:\Program Files (x86)\Norton Security\Branding\fallback.dat
  • C:\Program Files (x86)\Norton Security\Branding\
  • C:\Program Files (x86)\Norton Security\Branding\muis.dll
  • C:\Program Files (x86)\Norton Security\Engine\\{2A85E335-7417-424d-AD89-31DED1689794}.dat
  • C:\Program Files (x86)\Norton Security\Engine\\{50B092DE-40D5-4724-971B-D3D90E9EE987}.dat
  • C:\Program Files (x86)\Norton Security\Engine\\{57CD7B31-861B-46be-8EBD-AED7EDF28F76}.dat
  • C:\Program Files (x86)\Norton Security\Engine\\{71B3DD3A-BC1F-40cc-A74F-C0C30DFCE7D5}.dat
  • C:\Program Files (x86)\Norton Security\Engine\\{F8D07955-00ED-4093-88AA-0A0F69AFD83C}.dat
  • C:\Program Files (x86)\Norton Security\Engine\\AppMgr32.dll
  • C:\Program Files (x86)\Norton Security\Engine\\AppState.dll
  • C:\Program Files (x86)\Norton Security\Engine\\asDcaCl.dll
  • C:\Program Files (x86)\Norton Security\Engine\\asEngine.dll
  • C:\Program Files (x86)\Norton Security\Engine\\asHelper.dll
  • C:\Program Files (x86)\Norton Security\Engine\\asOELnch.exe
  • C:\Program Files (x86)\Norton Security\Engine\\AVExclu.dll
  • C:\Program Files (x86)\Norton Security\Engine\\AVifc.dll
  • C:\Program Files (x86)\Norton Security\Engine\\AVMail.dll
  • C:\Program Files (x86)\Norton Security\Engine\\AVModule.dll
  • C:\Program Files (x86)\Norton Security\Engine\\AVPAPP32.dll
  • C:\Program Files (x86)\Norton Security\Engine\\AVPSVC32.dll
  • C:\Program Files (x86)\Norton Security\Engine\\avScanUI.dll
  • C:\Program Files (x86)\Norton Security\Engine\\avScnTsk.dll
  • C:\Program Files (x86)\Norton Security\Engine\\BHCA.exe
  • C:\Program Files (x86)\Norton Security\Engine\\BHClient.dll
  • C:\Program Files (x86)\Norton Security\Engine\\BHSvcPlg.dll
  • C:\Program Files (x86)\Norton Security\Engine\\ccAlert.dll
  • C:\Program Files (x86)\Norton Security\Engine\\ccEmlPxy.dll
  • C:\Program Files (x86)\Norton Security\Engine\\ccErrDsp.dll
  • C:\Program Files (x86)\Norton Security\Engine\\ccGEvt.dll
  • C:\Program Files (x86)\Norton Security\Engine\\ccGEvt\Global\LM.dat
  • C:\Program Files (x86)\Norton Security\Engine\\ccGLog.dll
  • C:\Program Files (x86)\Norton Security\Engine\\ccGLog\ccGLog.dat
  • C:\Program Files (x86)\Norton Security\Engine\\ccIPC.dll
  • C:\Program Files (x86)\Norton Security\Engine\\ccJobMgr.dll
  • C:\Program Files (x86)\Norton Security\Engine\\ccLib.dll
  • C:\Program Files (x86)\Norton Security\Engine\\ccScanW.dll
  • C:\Program Files (x86)\Norton Security\Engine\\ccSEBind.dll
  • C:\Program Files (x86)\Norton Security\Engine\\ccSet.dll
  • C:\Program Files (x86)\Norton Security\Engine\\ccSubEng.dll
  • C:\Program Files (x86)\Norton Security\Engine\\ccSvc.dll
  • C:\Program Files (x86)\Norton Security\Engine\\cctFrameWork.dll
  • C:\Program Files (x86)\Norton Security\Engine\\ccVrTrst.dll
  • C:\Program Files (x86)\Norton Security\Engine\\cef.pak
  • C:\Program Files (x86)\Norton Security\Engine\\cltAlDis.dll
  • C:\Program Files (x86)\Norton Security\Engine\\cltLMH.exe
  • C:\Program Files (x86)\Norton Security\Engine\\cltLMJ.dll
  • C:\Program Files (x86)\Norton Security\Engine\\cltLMS.dll
  • C:\Program Files (x86)\Norton Security\Engine\\cltPE.dll
  • C:\Program Files (x86)\Norton Security\Engine\\cltRT.exe
  • C:\Program Files (x86)\Norton Security\Engine\\coActMgr.dll
  • C:\Program Files (x86)\Norton Security\Engine\\coChrmSv.dll
  • C:\Program Files (x86)\Norton Security\Engine\\coDataPr.dll
  • C:\Program Files (x86)\Norton Security\Engine\\coFFPl33.dll
  • C:\Program Files (x86)\Norton Security\Engine\\coFFPl34.dll
  • C:\Program Files (x86)\Norton Security\Engine\\coFFPlgn.dll
  • C:\Program Files (x86)\Norton Security\Engine\\coIDSafe.dll
  • C:\Program Files (x86)\Norton Security\Engine\\CoIEPlg.dll
  • C:\Program Files (x86)\Norton Security\Engine\\coInst.exe
  • C:\Program Files (x86)\Norton Security\Engine\\com.nco.namsghst.json
  • C:\Program Files (x86)\Norton Security\Engine\\coMCPlug.dll
  • C:\Program Files (x86)\Norton Security\Engine\\Comm.dll
  • C:\Program Files (x86)\Norton Security\Engine\\coNatHst.exe
  • C:\Program Files (x86)\Norton Security\Engine\\contentmetadata.dat
  • C:\Program Files (x86)\Norton Security\Engine\\coParse.dll
  • C:\Program Files (x86)\Norton Security\Engine\\coSfShre.dll
  • C:\Program Files (x86)\Norton Security\Engine\\coShdObj.dll
  • C:\Program Files (x86)\Norton Security\Engine\\coSvcPlg.dll
  • C:\Program Files (x86)\Norton Security\Engine\\coUICtlr.dll
  • C:\Program Files (x86)\Norton Security\Engine\\coWPPlg.dll
  • C:\Program Files (x86)\Norton Security\Engine\\cuEng.dll
  • C:\Program Files (x86)\Norton Security\Engine\\cuIEPlg.dll
  • C:\Program Files (x86)\Norton Security\Engine\\cuTFPlg.dll
  • C:\Program Files (x86)\Norton Security\Engine\\DataStor.dll
  • C:\Program Files (x86)\Norton Security\Engine\\DefUtDCD.dll
  • C:\Program Files (x86)\Norton Security\Engine\\DiagRpt.dll
  • C:\Program Files (x86)\Norton Security\Engine\\diArkive.dll
  • C:\Program Files (x86)\Norton Security\Engine\\diFVal.dll
  • C:\Program Files (x86)\Norton Security\Engine\\diLueCbk.dll
  • C:\Program Files (x86)\Norton Security\Engine\\diMaster.dll
  • C:\Program Files (x86)\Norton Security\Engine\\diStRptr.dll
  • C:\Program Files (x86)\Norton Security\Engine\\DSCli.dll
  • C:\Program Files (x86)\Norton Security\Engine\\DuLuCbk.dll
  • C:\Program Files (x86)\Norton Security\Engine\\DuPtUpRg.dat
  • C:\Program Files (x86)\Norton Security\Engine\\ecmldr32.dll
  • C:\Program Files (x86)\Norton Security\Engine\\EFACli.dll
  • C:\Program Files (x86)\Norton Security\Engine\\EFAInst.exe
  • C:\Program Files (x86)\Norton Security\Engine\\ELAMCli.dll
  • C:\Program Files (x86)\Norton Security\Engine\\elaminst.exe
  • C:\Program Files (x86)\Norton Security\Engine\\EventSvc.dll
  • C:\Program Files (x86)\Norton Security\Engine\\Exts\Chrome.crx
  • C:\Program Files (x86)\Norton Security\Engine\\FFPrefs.dll
  • C:\Program Files (x86)\Norton Security\Engine\\FWCore.dll
  • C:\Program Files (x86)\Norton Security\Engine\\FWGenPlg.dll

You will find in the Windows Registry that the following keys will not be cleaned; remove them one by one using regedit.exe:
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\NS
  • HKEY_LOCAL_MACHINE\Software\Norton\{0C55C096-0F1D-4F28-AAA2-85EF591126E7}\Security History

Additional values that are not cleaned:
  • HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache\C:\Program Files (x86)\Norton Security\Engine\\NS.exe
  • HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache\C:\Program Files (x86)\Norton Security\Engine64\\uiStub.exe
  • HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\BHDrvx64\ImagePath
  • HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\IDSVia64\ImagePath
  • HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\NAVENG\ImagePath
  • HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\NAVEX15\ImagePath
  • HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\NS\ImagePath

A way to remove Norton Security from your PC using Advanced Uninstaller PRO

Norton Security is an application released by the software company Symantec Corporation. Sometimes, users decide to remove this program. Sometimes this can be easier said than done because performing this by hand requires some advanced knowledge regarding PCs. One of the best SIMPLE way to remove Norton Security is to use Advanced Uninstaller PRO. Here is how to do this:

1. If you don't have Advanced Uninstaller PRO on your PC, add it. This is good because Advanced Uninstaller PRO is the best uninstaller and general tool to clean your computer.


2. Run Advanced Uninstaller PRO. It's recommended to take some time to admire the program's design and number of functions available. Advanced Uninstaller PRO is a very good package of utilities.

3. Click on the General Tools button
Go to General Tools

4. Click on the Uninstall Programs tool
Go to Uninstall Programs

5. A list of the applications existing on your computer will appear

6. Navigate the list of applications until you locate Norton Security or simply activate the Search field and type in "Norton Security". If it exists on your system the Norton Security app will be found automatically. Notice that when you select Norton Security in the list of programs, the following information regarding the program is made available to you:

  • Star rating (in the lower left corner). The star rating tells you the opinion other users have regarding Norton Security, ranging from "Highly recommended" to "Very dangerous".
  • Opinions by other users - Click on the Read reviews button.
  • Details regarding the app you are about to remove, by clicking on the Properties button.
For example you can see that for Norton Security:

  • The web site of the application is:
  • The uninstall string is: C:\Program Files (x86)\NortonInstaller\{0C55C096-0F1D-4F28-AAA2-85EF591126E7}\NS\562C4DD5\\InstStub.exe
7. Click the Uninstall button. A confirmation page will come up. Confirm the removal by clicking Uninstall. Advanced Uninstaller PRO will automatically remove Norton Security.
Uninstall Norton Security

8. After removing Norton Security, Advanced Uninstaller PRO will offer to run a cleanup. Press Next to start the cleanup. All the items that belong Norton Security that have been left behind will be found and you will be asked if you want to delete them. By uninstalling Norton Security with Advanced Uninstaller PRO, you are assured that no Windows registry items, files or directories are left behind on your PC.

Your Windows PC will remain clean, speedy and able to run without errors or problems.


Geographical user distribution

  • Windows 7 (6.1)
  • Windows Vista (6.0)
  • Windows XP (5.1)
  • Windows 8 (6.2)
  • Windows 8.1 (6.3)
  • 10.0
  • Windows (6.4)
Software Application


This page is not a piece of advice to uninstall Norton Security by Symantec Corporation from your PC, nor are we saying that Norton Security by Symantec Corporation is not a good application for your computer. This text simply contains detailed instructions on how to uninstall Norton Security supposing you decide this is what you want to do. The information above contains registry and disk entries that other software left behind and Advanced Uninstaller PRO stumbled upon and classified as "leftovers" on other users' PCs.

2017-04-04 / Written by Dan Armano for Advanced Uninstaller PRO

follow @danarm
Last update on: 2017-04-04 18:09:30.210