Author Topic: Microsoft Security Essentials, Will not Install  (Read 7852 times)

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Offline Rick

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Microsoft Security Essentials, Will not Install
« on: June 02, 2013, 08:36:10 am »
Step 1: Disable Windows Defender:
a. Click on Start and Click on Run.
b. You will see the Run window.
c. Type Services.msc in the run window and hit enter or click ok.
d. Find and double click on the service named "Windows Defender". Alternatively right click on "Windows Defender" and select "Properties" on right click menu.
e. In the "General" tab, beside the "Startup type:" check if that is set to Disable. Then Click on OK.
f. Close services.msc window.
Step 2:

Give full permissions to Microsoft Security Essentials folder and start the Microsoft Malware Protection Driver.
Open a Command Prompt.
To do this, click Start, click All Programs, click Accessories, right-click Command Prompt, and then click Run as administrator. If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.
a. Please type the following command in the command prompt window and press Enter after each command.
Cacls "c:\program files\microsoft security essentials" /t /g administrators:f
Press "Y" to execute the above command.
Net stop msmpsvc
Net stop mpfilter
Net start mpfilter
Net start msmpsvc
Restart the computer and update MSE then check the status of Real Time Protection.
Step 3: Start Microsoft Security Essentials service and its dependencies required
a. Click Start and click on Run.
b. Type the following text in Run window and click ok:
c. You will get Services window.
d. Please check the below list of services which are set to "Started" and "Automatic".

Background Intelligent Transfer Service
Cryptographic service
Microsoft Antimalware
Windows Installer
Windows updates
e. If the above services are not set to "Started" and "Automatic", please right click on that particular service and select "properties".
f. On properties window, please change the Start-up type to Automatic and use the Stop button to stop the service. Followed by "Start" button to start service
g. Click OK.
h. Close the Services window
i. Please restart the computer and check if the issue re-occurs.
If this does not resolve the issue, continue to the next steps.
Step 4: Remove Virus infection from your computer
 TDSSKiller to scan system for Root Kit viruses:
a) Download the file TDSSKiller.exe from the following link and save it on the Desktop:

b) Double click TDSSKiller.exe and click on Start Scan to scan the system.
c) Once the scan completes, please restart the system and check with the issue.

Step 5: Manually install the virus and spyware definition updates
i. If you are running a 32-bit Windows operating system, download the latest updates manually at
ii. If you are running a 64-bit Windows operating system, download the latest updates manually at
b. Click Run. The latest updates are manually installed in your computer.
c. After updating MSE definitions update, perform a complete scan using MSE.
And check whether this works or not

Offline Shane

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Re: Microsoft Security Essentials, Will not Install
« Reply #1 on: June 02, 2013, 02:50:07 pm »
Are you asking for help or is this a help guide for others? Because if it is a help guide you posted it in the wrong section :wink: