i am having problems uninstalling, installing and even updating microsoft security essentials KB2804

[AWS]

This is my first official post. I am using windows 7 64 bit SP1 build 7601. I am using IE 9.0.8112.16421 64 bit edition, update version 9.0.13 (KB2792100) I have tried to update MSE several times but each time it failed and i received error code "WindowsUpdate_8004FF84"

"WindowsUpdate_dt000". I tried to uninstall MSE several times but it failed each time; it was looking for something called "epp.msi". I downloaded MSE from the Microsoft website again, and tried to install it but again it told me that “epp.msi” was missing.

I then used the Microsoft FixIt Tool -http://go.microsoft.com/?linkid=9748340 – which said the problems had been fixed and then tried remove MSE again but it failed, again! I then restarted. I am still unable to uninstall or update MSE using windows update.

What is going on? Where can I find "epp.msi"? please help somebody, this is very frustrating. I have tried to manually uinstall it from the registry but now it still seems to be running even though it has been removed from the progam uninstall list. I am at

a loss. please can someone help me. if i have left any information out that is required please just ask.

 

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