How to Troubleshoot McAfee Error ‘Unable to Continue Installation’?

McAfee VirusScan, a creation of Intel security has been providing services like Virus Scan, Internet Security Protection and blocking threats etc. for multiple areas of use whether it is home or business use. The antivirus product is available for various versions of Windows, Mac, and Android.


The antivirus comes with the following features (depending on the McAfee product version). Different version integrates different features of antivirus security level, firewall protection, and anti-spyware detecting capabilities.

  • Inbound and outbound firewall protection
  • Protection against Malware, Spyware, and online threats
  • Regular updates
  • McAfee diagnosis of X-Ray rootkit
  • McAfee SiteAdvisor, an advanced feature that helps to display a protection ranking for websites based on analyses for confirmation of spam, malware, and phishing
  • McAfee SystemGuards tracks a computer’s activity that may be caused by virus hack that may result in slowing down the systems’ performance.

Besides offering all these exceptional features, McAfee often shows error during the installation process or other. A basic error that occurs is ‘Unable to Continue Installation’. While if you face any error after installation, visit to follow the error fixing procedure. But when the problem occurs during the installation process, it can be fixed by following these troubleshooting steps:

McAfee Error: Unable to continue installation or McAfee Error Code 0

(You can also get assistance through chat, mail or call by contacting McAfee Customer Support).

Method 1: Run the McPreInstall tool

Step 1: When the error message shows up on the window screen, click ‘Done’ to close the tab

Step 2: Download any Pre-InstallTool zip file depending on your Window’s version from the official McAfee Website (32-bit Windows computers or 64-bit Windows computers)

Step 3: Find the folder where you have downloaded Pre-InstallTool Zip file and open the file

Step 4: Ctrl+ V & Ctrl+ C the Pre-Install_Tool.exe file on your desktop

Step 5: Now open the file you have pasted on the desktop and go along with the prompts

Step 6: Wait until the process is complete then attempt to install your Mcafee product again

If the installation gets completed without any error, the software ready to scan your system. Otherwise, proceed with the next solution if the installation fails.

Method 2: Run McAfee Virtual Technician

Step 1: Open your browser, search for ‘McAfee Virtual Technician’ on official McAfee site and then click on the link ‘Download & Run’ once you find it

Step 2: Go along with the prompts after clicking on the Download and Run button to Run MVT (McAfee Virtual Technician)

Step 3: Wait for a while as the process might take few minutes and then attempt to install your McAfee product again

In case the process doesn’t work for you and the installation gets failed again, move on to the next method:

Method 3: Run the McAfee Uninstaller and Download and install the McAfee product again

Step 1: Download the ‘Removal Tool’ using different browser (from McAfee’s official site)

Step 2: When prompted, run the tool

Step 3: Using another browser for re-downloading McAfee Windows Security Suite installation pack

Step 4: Install the new download package

Once the download is done, go to for the activation process. In an event when you face any error during download, installation or activation of your McAfee product, immediately call on McAfee Toll-Free number or reach out to McAfee Customer Support.

Maria Williams is a renowned technical writer. She has been keeping a stern concern over the updates and errors of various anti-virus and security software. Through her blogs and articles, she strives to deliver the information in order to make awareness about the updates and error fixing methods.

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