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Windows 7: Unable to cleanly uninstall Microsoft Security Essentials


15 Dec 2013   #1

Windows 7 64bit Home Premium
 
 
Unable to cleanly uninstall Microsoft Security Essentials

I have noticed that if you use Microsoft Security Essentials normal uninstall from add/remove programs, the program always leaves behind two folders within C:\Programdata\Microsoft: Microsoft Antimalware & Microsoft Security Client You can manually delete Microsoft Antimalware but 9/10 you are unable to delete Microsoft Security Client, usually preventing you with an 'permission is required message'. Occasionally you are able to delete it, but it is restored automatically upon reboot. The issue lies with the file EppOobe.etl, it is this file that automatically recreates itself even after uninstalling MSE. Something is clearly left behind by MSE and I am unable to find a solution to completely remove it. I have tried all the suggestions at: Uninstalling Microsoft Security Essentials - Microsoft Community including the .bat file, but nothing works. I have tried the regular MSE uninstall on several machine and ALL leave behind these files. I find it odd that a security program designed to remove viruses is unable to cleanly remove itself. Has anyone a solution? p.s I have noticed that a uninstall log is left behind by MSE and it reports a clean removal but I notice that the EppOobe.etl file is dated at exactly the same time and date as the uninstall log which suggests the uninstall removes the file, but is then recreated on reboot! Help!

My System SpecsSystem Spec
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15 Dec 2013   #2

W7 Pro SP1 64bit
 
 

When you encounter problems deleting stuff...
...the first thing to try is to drill down to the file level and delete your way back up.



To prevent the folders/files that you mentioned from coming back....
...manually create a restore point
...then delete this one key:

Unable to cleanly uninstall Microsoft Security Essentials-mse.png

There are many other registry keys the MSE leaves behind.
Just leave them; they do not harm.


My System SpecsSystem Spec
15 Dec 2013   #3
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

Look at item 21b - AV Uninstallers
My System SpecsSystem Spec
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15 Dec 2013   #4

W7 Pro SP1 64bit
 
 

Quote   Quote: Originally Posted by whs View Post
Look at item 21b - AV Uninstallers
See my comments here:
AV Uninstallers
My System SpecsSystem Spec
16 Dec 2013   #5

Windows 7 64bit Home Premium
 
 

Deleting the registry entry worked perfectly, thank you! You would think MSE would do this as part of its uninstall!
Quote   Quote: Originally Posted by UsernameIssues View Post
When you encounter problems deleting stuff...
...the first thing to try is to drill down to the file level and delete your way back up.



To prevent the folders/files that you mentioned from coming back....
...manually create a restore point
...then delete this one key:

Attachment 297564

There are many other registry keys the MSE leaves behind.
Just leave them; they do not harm.
My System SpecsSystem Spec
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 Unable to cleanly uninstall Microsoft Security Essentials




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