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McAfee - Windows Software Installation with Error: Installation Incomplete

When you try to download and install McAfee LiveSafe, Total Protection, or one of our other Windows security products, the installation fails with the following error message: "Installation Incomplete".


Follow the steps in Solution 1 to resolve this issue. If you still have a problem after completing these steps, try the steps in Solution 2.

Before you start:

You might need to restart your PC to solve the issue, so bookmark or favorite this article to get back to it quickly.
You should also:
  • Save and close all open files and applications.
  • Restart your computer.
  • Ensure that you have a network connection. A wired connection is preferred.
  • Connect to a power supply if you are using a laptop.

Pre-requisites:
  • Does your PC meet the minimum system requirements?
    • TS102471 - Minimum system requirements for McAfee Security Suites for Windows and Mac
       
  • Are any incompatible third-party firewalls or security software installed?
    • For the list of applications and how to remove them, see TS102253
       
  • Is Windows up-to-date on your PC?
    • To check for and install updates, see the Windows update FAQ on the Microsoft website.
Solution 1
Follow these steps in order. When you have completed each step, try to install your McAfee product again. If the installation fails again, continue to the next step.

The Pre-Install tool prepares your PC for installation.
  1. Download the Pre-Install Tool.
    NOTE: Save the file to a temporary location, such as your desktop.
  1. Double-click the Pre-Install_Tool.exe file, and follow the prompts.
  2. Read the warning message, and click OK to agree to the changes.
  3. After the Preinstall Tool completes:
    1. Click OK.
    2. Click Close.
    3. Restart your computer.

Try the installation again. If installation fails, continue to Step 2.

The installation might fail because the Windows account that you log on with lacks permissions. Follow these steps to temporarily enable the built-in Administrator account, then log on and try the installation with that account:
  1. Open a command prompt as Administrator:
    1. Click Start, and in the search box type cmd.exe.
    2. In the search results, right-click Command Prompt, and select Run as administrator.
       
  2. At the prompt, type the following command and press ENTER:

    net user administrator /active:yes
     
  3. Close the command prompt.
  4. Press the CTRL+ALT+DEL keys together.
  5. Click Log out  or Sign out, to log off from of Windows.
  6. On the logon screen, click the Administrator account and log on. The logon process might take longer than usual to complete.
Try the installation again, following the steps in TS100342. If installation fails, continue to Step 3.

IMPORTANT: If the installation is successful, follow the steps below to disable the built-in administrator account.

MCPR removes your existing McAfee product and 'leftover' files from previous installations that might cause installation problems.
IMPORTANT:
  • Always download a new copy of MCPR before each use.  
    This ensures that you have the latest version, and that newer McAfee products can be successfully recognized.
  • MCPR will clean up only the components needed for reinstallation. It is not designed to clean up 100% of components.
  • Completing this step will require a restart.
Before you start:
  • Bookmark or favorite this article so that you can easily get back to it.
  • Save all open files.
  • Close all programs.
 
  1. Download the MCPR tool.
  2. Double-click MCPR.exe.
  3. If you see a security warning:

    Click YesContinue, or Run (depending on your version of Windows):



     
  4. At the McAfee Software Removal screen:
    1. Click Next
    2. Click Agree to accept the End User License Agreement (EULA).
       
  5. At the Security Validation screen:
    1. Type the characters exactly as shown on your screen (validation is case-sensitive).
    2. Click Next. This step prevents the accidental use of MCPR.


       
  6. When the process is complete, you will see one of the following messages. Click the one that you see.
If you see this message, the MCPR tool has completed successfully.
  1. Restart your PC to complete the removal process.
     

    IMPORTANT: When your PC restarts, it will not be protected from viruses and malware. Ensure that you reinstall your security software as soon as possible to remain protected (see below).

If you see this message, the cleanup did not go as planned:
  1. Restart your PC and run MCPR again.
  2. If you see Cleanup Unsuccessful again, ignore it.
  3. Restart your PC again.
  4. Attempt to reinstall your McAfee software.
If you are still unable to install:
  1. Click here to contact Technical Support.
  2. Let the agent know:
    • MCPR produced a Cleanup Unsuccessful message.
    • You are unable to reinstall your McAfee software.


Try the installation again, following the steps in TS100342. If installation fails, continue to Solution 2.

IMPORTANT: If the installation is successful, follow the steps below to disable the built-in administrator account
If you enabled the built-in Administrator account while following the steps above, remember to disable it when your McAfee software is installed:

  1. Press the CTRL+ALT+DEL keys together.
  2. Click Log out or Sign out, to log off from of the Administrator account.
  3. Log on with your normal account.
  4. Open a command prompt as Administrator:
    1. Click Start, and in the search box type cmd.exe.
    2. In the search results, right-click Command Prompt, and select Run as administrator.
       
  5. At the prompt, type the following command and press ENTER:

    net user administrator /active:no
     
  6. Close the command prompt.
The built-in Administrator account is now disabled.
Solution 2
If you are still unable to install your product even after following the steps shown above, check your PC for malware using one of these McAfee tools or services:
  • Virus Protection Pledge (VPP) 
    The Virus Protection Pledge provides you with the confidence that, in case of a virus on a supported device, a McAfee expert will remove it. If we can’t, we offer a refund.

    VPP is available to certain customers based on location, and is included in their subscription when auto-renewal is turned on. If you are one of these customers, when auto-renewal is turned off, you will also be opting out of VPP. Click to learn more about the Virus Protection Pledge.
     
  • GetSusp:
    McAfee GetSusp is a tool that you can use if you suspect that your computer has malware. GetSusp also helps to isolate undetected malware. Click to download GetSusp.
     
  • McAfee Stinger:
    Stinger is a standalone utility from McAfee Labs that detects and removes specific viruses. To learn more about Stinger, see: TS100815.
If you are unable to remove any infections detected by the above tools, our security experts can remotely access your PC and remove viruses, spyware, and other threats, while you watch. Click to learn more about this paid service.
Related Infomation

Virtual Assistant

For guidance while installing your product, use the Virtual Assistant .
NOTE: The Virtual Assistant will open in a new tab or window. Follow the prompts and close the window when you have completed the steps.

If you have any questions, come by the Help Desk at Hardman & Jacobs Undergraduate Learning Center Room 105, call 646-1840, or email us at help@nmsu.edu.




Keywords:Installation of McAfee software for Windows fails with error: Installation Incomplete live safe total protection   Doc ID:80402
Owner:John B.Group:New Mexico State University
Created:2018-02-23 10:10 MDTUpdated:2018-06-06 11:54 MDT
Sites:New Mexico State University
Feedback:  42   0