Quick Reference Guide Updating Anti-Virus to Microsoft Security Essentials
CSUF Last Revised: 06/24/11 Page 1 of 16
These instructions will guide you through the process of removing McAfee and installing Microsoft Security
Essentials on your PC or laptop at home. If you experience any issues or have any questions about this process,
contact the IT Help Desk at x7777.
Processing Steps Screen Shots
Check for McAfee EPO Agent
If you have a work laptop provided
to you by Information Technology,
follow the steps below to check to
see if the McAfee EPO Agent is
installed.
If you have a personal laptop, you
may skip to page 7.
Step 1:
At the bottom right hand corner of
your desktop near the computer
clock, locate the McAfee icon ( ).
Right-click on the McAfee icon.
Step 2:
If you see ePolicy Orchestrator
Agent listed, then please follow the
next set of instructions to remove it.
If you do not see ePolicy
Orchestrator Agent listed, skip to
page 7.
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Processing Steps Screen Shots
Remove McAfee EPO Agent
If ePolicy Orchestrator Agent (EPO
Agent) is installed, it must be
manually removed before
uninstalling McAfee AntiVirus.
Step 1:
Click the Start button at the bottom
left of your desktop.
Select Run.
Step 2:
Type cmd in the Open field.
Click OK.
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Processing Steps Screen Shots
Step 3:
You will see the string:
C:\Documents and Settings\your
username>
Type cd \ and then press the Enter
key.
Step 4:
You will see the string: C:\>
Type cd Program Files and then
press the Enter key.
Step 5:
You will see the string: C:\Program
Files>
Type cd McAfee and then press
the Enter key.
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Processing Steps Screen Shots
Step 6:
You will see the string: C:\Program
Files\McAfee>
Type cd Common Framework and
then press the Enter key.
Step 6a:
If you receive an error message
saying: The system cannot find
the path specified, follow the next
set of instructions.
If you do not receive this error
message, proceed to step 7.
Step 6b:
Close the cmd.exe window and re-
open it by going to Start > Run.
Type cd \ and press Enter.
Type cd Program Files and press
Enter.
Type cd Network Associates and
press Enter.
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Processing Steps Screen Shots
Step 6c:
You will see the string: C:\Program
Files\Network Associates>
Type cd Common Framework and
then press the Enter key.
Step 6d:
You will see the string: C:\Program
Files\Network
Associates\Common
Framework>
Type frminst /remove=agent and
then press the Enter key.
Proceed to step 8.
Step 7:
You will see the string: C:\Program
Files\McAfee\Common
Framework>
Type frminst /remove=agent and
then press the Enter key.
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Processing Steps Screen Shots
Step 8:
The McAfee Agent and Updater
Setup window will open. It may take
several minutes for the process to
run.
Step 9:
Once the EPO Agent has been
successfully uninstalled, you will
receive a notification.
Click OK.
You may now close the CMD
window.
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Processing Steps Screen Shots
Remove McAfee VirusScan
Use your computer’s control panel
to uninstall McAfee.
Step 1:
Click the Start button/icon at the
bottom left of your desktop.
Select Control Panel.
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Step 2:
Select the option to uninstall
programs.
If you are running Windows XP,
select Add/Remove Programs.
If you are running Windows Vista,
select Programs and Features.
Step 3:
Locate McAfee VirusScan
Enterprise in the program list and
click on it.
Then select Remove (Windows XP)
or Uninstall (Windows Vista).
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Processing Steps Screen Shots
Step 4:
If you receive a message asking if
you are sure you want to remove
McAfee, click Yes.
Step 5:
It may take several minutes for
McAfee to be uninstalled.
Step 6:
Be sure to uninstall any other
McAfee programs by clicking on
them and then selecting either
Remove or Uninstall.
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Processing Steps Screen Shots
Step 6a:
When uninstalling McAfee Agent,
you may receive this message
indicating that your computer will
need to be restarted.
Click OK.
Step 7:
Once all of the McAfee components
are uninstalled, restart your
computer.
Install Microsoft Security Essentials
Download and install Microsoft
Security Essentials on your
computer or laptop.
Step 1:
Open your internet browser (i.e.
Internet Explorer, Firefox, etc.) to
http://www.microsoft.com/en-
us/security_essentials/default.aspx.
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Step 2:
Click on the Download it free
today graphic located on the main
page.
Step 3:
Select the language for your
download on the left.
Then select your operating system
on the right to begin the download.
Windows 7 and Windows Vista
should detect the operating system
for you and you will just click
Download on the popup.
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Step 4:
If prompted to either run or save the
file, click Run.
Step 5:
It may take several minutes to
download the installation wizard.
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Processing Steps Screen Shots
Step 5a:
If the system asks you if you want
to run this software, click Run.
Step 6:
The Microsoft Security Essentials
Installation Wizard will start up.
Click Next.
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Processing Steps Screen Shots
Step 7:
Review the license agreement.
Then click I accept.
Step 8:
Select whether you wish to
participate in the Customer
Experience Improvement Program.
Then click Next.
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Processing Steps Screen Shots
Step 9:
It is highly recommended that you
leave the option “If no firewall is
turned on, turn on Windows
Firewall” selected.
Only uncheck this option if you have
another firewall installed.
Then click Next.
Step 10:
On this screen is a reminder that
you should uninstall any other anti-
virus programs (i.e. McAfee) on
your computer before installing
Microsoft Security Essentials.
Click Install if you have already
removed McAfee.
Click Cancel if you still need to
remove McAfee.
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Processing Steps Screen Shots
Step 11:
It may take several minutes for
Microsoft Security Essentials to be
installed.
Step 12:
Once the installation is finished, you
may be asked to restart your
computer. If so, click Restart Now.
If not, click Finish.
Microsoft Security Essentials will
start up, update its anti-virus
definitions to the latest version, and
begin scanning your machine.