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McAfee Retired
McAfee Retired
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Unable to continue installation. Error 0 (with Windows Security Suites)


When you attempt to install the McAfee Windows Security Suite, the installation fails and the installer displays a red banner with either of the following error messages:


Unable to Continue Installation. We are having trouble installing your McAfee software because of this. Error 0



Something went wrong with the installation
We are having trouble installing your McAfee software. Contact McAfee Support and mention problem code 0.

Solution 1 - Run the McPreInstall tool

  1. When you see the error, click Done to close the dialog.
  2. Download one of the Pre-InstallTool zip files attached to this article and save it to your desktop:
  3. Double-click to open the zip file and copy the Pre-Install_Tool.exe file to your desktop.
  4. Double-click the Pre-Install_Tool.exe, and follow the prompts.
  5. Wait for the process to complete, then try to install your McAfee product again.
  6. Proceed to the next Solution if the installation fails again.

Solution 2 - Run McAfee Virtual Technician (MVT)

  1. Open your web browser and go to
  2. Click Download and Run, then follow the prompts to run the MVT.
  3. Wait for the process to complete, and then try to install your McAfee product again.
  4. Proceed to the next Solution if the installation fails again.

Solution 3 - Re-download the installation package after running the Removal Tool

  1. Use a different browser and download the Removal tool
  2. Run the tool and Reboot when prompted
  3. Use a different web browser to download the McAfee Windows Security Suite installation package again.
  4. Retry the installation using the newly downloaded package.

Solution 4 - Resolve any DNS issues

Installation issues might occur if name resolution (DNS) is slow. Changing the DNS setting on your network card to a public server might help to resolve these issues. For details on how to do this, see

When you have made these changes, retry the installation. If the installation fails again, contact Technical Support:

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