How to Uninstall Microsoft Security Update?

“Had installed Microsoft Security Update earlier and uninstalled afterwards, but still cannot install other antivirus program which just prompts you to remove Microsoft Security Update; The attached uninstall progress doesn’t work and also cannot find the Microsoft Security Update on Control Panel…”---By numerous PC users.

Have you ever met such similar difficulties while you are uninstalling Microsoft Security Update? Microsoft Security Update is a well known antivirus program that has got a high reputation among many computer users, millions of broadband customer use its services to protect their computers from outside attackers. But due to some reasons, many people need to uninstall Microsoft Security Update from their computers, and the difficulty to totally uninstall Microsoft Security Update has made some people think that it is an impossible mission.

Free Download: Microsoft Security Update Uninstall!

(Tested Malware & Virus Free by McAfee™)

Why is it hard to uninstall Microsoft Security Update

Like other antivirus programs such as Intense Internet Security Pro 2005 1.902,SpyBouncer 2.2,ViewFour.com--ViewSmart 2.94c,MidADle Scanner 1.2,Anti-Hijacker 1.2,e! My´Net´Assistant 6.10,Microsoft Security Update can’t be uninstalled easily and completely by the Windows Add/Remove Programs. You will definetly find that it would wast your much time to uninstall Microsoft Security Update manually. If you decide to uninstall Microsoft Security Update by asking the technicians in PC store, it is really not a good idea for you to spend the money for it. It is worthless! Let me tell you why it is so hard to uninstall Microsoft Security Update. Two main reasons: 1. The original designer of Microsoft Security Update makes it so difficult to be uninstalled in order to ask their customer keep using the software on the PC. You know, almost every application publisher will has his own business purpose. 2. Most of the PC users are not good at computer skill. They can handle the simple problems but not including the registry issue. To uninstall Microsoft Security Update completely, you need to clean the leftover, related registry keys and registry entries of it, that is the most difficul part of uninstalling Microsoft Security Update. If you delete the wrong folder in system disk or important registry list, you would make your PC system crash.

Why do you want to uninstall Microsoft Security Update?

  • Microsoft Security Update makes your computer perform very slowly.
  • Microsoft Security Update has been expired on your PC.
  • Some of its essential files or processes are deleted by accident
  • It is not compatible with your computer system or some other programs
  • It occupies too much system space of your PC.
  • You want to use other antivirus programs then have to uninstall Microsoft Security Update at first.

Step by step to manually uninstall Microsoft Security Update

Uninstall Microsoft Security Update by its attached uninstall program


  1. Go to the install folder of Microsoft Security Update.
  2. Find out the uninstall process and activate it.
  3. Follow the prompt to finish the removing process.

Theoretically, the Microsoft Security Update removal could be achieved after finishing the last removing step, but the fact is just not the case, you still can find some stubborn files on it and not allow you to manually delete, which actually means the unsuccessful uninstallation.

Free Download: Uninstaller Microsoft Security Update Uninstall!

(Completely remove the Microsoft Security Update)


Uninstall Microsoft Security Update by Windows Add/Remove Programs

1. Open Task Manager, stop Microsoft Security Update from running.

2. Click on the Start Menu button and then click on the Control Panel.

3. Click the Windows Add/Remove program.

4. A list of programs installed will be populated, this may take a bit of time.

5. In this list please find Microsoft Security Update and select it by left-clicking once on it.

6. Then click on the Uninstall button to start the uninstall process for Microsoft Security Update. A wizard should then open, which will guide you through the rest of the uninstall.

Note: When finishing the above four steps, you still need to do an additional job so that the complete removal can be achieve, that is to manually clean out those stubborn leftovers which include its install files and registry entries. But not all the users has the ability to fulfill the final manual removal process, because it is a high risky job do any modification in the Registry Editor which is a crucial part for the computer system, any removal error for those registry entries will probably cause the blue screen error or permanent system crash.

Tips: To uninstall Microsoft Security Update compeltely, you still need to delete the related registry entries carfully.


We provide you with the guides but it is not recommended.

Go to registry editor to get rid of Microsoft Security Update registry keys and values:
(HKEY_CURRENT_USER\Software\Microsoft Security Update)
(HKEY_LOCAL_MACHINE\Software\Microsoft Security Update)
(HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run\eg ui)

Click on the START menu again and get in the Control Panel and then Folder Options then View and choose Show Hidden Files and Folders, delete the following folders:

(C:\Program Files\Microsoft Security Update )
(C:\Document and Settings\All Users\Application Data\Microsoft Security Update)
(C:\Documents and Settings\%USER%\Application Data\Microsoft Security Update)


Microsoft Security Update Registry Details
HKEY_CLASSES_ROOT\CLSID\{F4F5B989-1ACC-438A-BFC9-DA15FCC49CB4} HKEY_CLASSES_ROOT\picasa HKEY_CLASSES_ROOT\ Microsoft Security Update \shell HKEY_CLASSES_ROOT\Microsoft Security Update\shell\open HKEY_CLASSES_ROOT\Microsoft Security Update\shell\open\command HKEY_CLASSES_ROOT\Microsoft Security Update.autoplay HKEY_CLASSES_ROOT\ Microsoft Security Update.autoplay\shell HKEY_CLASSES_ROOT\ Microsoft Security Update.autoplay\shell\import HKEY_CLASSES_ROOT\ Microsoft Security Update.autoplay\shell\import\command HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\explorer\autoplayhandlers\handlers\Microsoft Security Updateimportpicturesonarrival HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Microsoft Security Update HKEY_CLASSES_ROOT\Microsoft Security Update\url protocol HKEY_CLASSES_ROOT\Microsoft Security Update.autoplay\defaulticon HKEY_CURRENT_USER\Software\google\Microsoft Security Update\Microsoft Security Update \runtime\apppath HKEY_CURRENT_USER\Software\Microsoft\internet explorer\main\default_search_url HKEY_CURRENT_USER\Software\Microsoft\internet explorer\main\search bar HKEY_CURRENT_USER\Software\Microsoft\internet explorer\main\search page HKEY_CURRENT_USER\Software\Microsoft\internet explorer\search\default_search_url HKEY_CURRENT_USER\Software\Microsoft\internet explorer\search\searchassistant HKEY_CURRENT_USER\Software\Microsoft\internet explorer\searchurl\provider HKEY_CURRENT_USER\Software\Microsoft\search assistant\defaultsearchurl HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\explorer\autoplayhandlers\eventhandlersdefaultselection\showpicturesonarrival HKEY_LOCAL_MACHINE\Software\Microsoft\internet explorer\version vector\ Microsoft Security UpdateHKEY_LOCAL_MACHINE\Software\Microsoft\Windows nt\CurrentVersion\prefetcher\lasttracefailure HKEY_LOCAL_MACHINE\Software\Microsoft\Windows nt\CurrentVersion\prefetcher\tracesprocessed HKEY_LOCAL_MACHINE\Software\Microsoft\Windows nt\CurrentVersion\prefetcher\tracessuccessful HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\explorer\autoplayhandlers\handlers\Microsoft Security Updateimportpicturesonarrival\action HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\explorer\autoplayhandlers\handlers\Microsoft Security Updateimportpicturesonarrival\defaulticon HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\explorer\autoplayhandlers\handlers\Microsoft Security Updateimportpicturesonarrival\invokeprogid HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\explorer\autoplayhandlers\handlers\Microsoft Security Updateimportpicturesonarrival\invokeverb HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\explorer\autoplayhandlers\handlers\Microsoft Security Updateimportpicturesonarrival\provider HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Microsoft Security Update\DisplayName HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Microsoft Security Update\DisplayVersion HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Microsoft Security Update\HelpLink HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Microsoft Security Update\InstallLocation HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Microsoft Security Update\Publisher HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Microsoft Security Update\UninstallString HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Microsoft Security Update\URLInfoAbout HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Microsoft Security Update\VersionMajor HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Microsoft Security Update\VersionMinor

Uninstall errors you may encounter

Sometimes, you may encounter some error messages during the uninstalling procession. It means some of the files of this application are missing or you don't have the permission to uninstall it manually.




In this case, you should use some third party uninstall tools to force uninstall programs you don't need any more. You can avoid such uninstall error message and finish the removal powerfully.

Uninstall Microsoft Security Update with Mighty Uninstaller

Step1: Free Download Microsoft Security Update Uninstaller, install and run it.

Step2: Select the program you want to uninstall and click the “Uninstall” button.

Step3: Follow the uninstall wizard to completely uninstall the program.

Moreover, you can force uninstall Microsoft Security Update or any other programs with this function of Mighty Uninstaller


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