Easy Way To Fix McAfee Error Code 66

McAfee antivirus is the popular security product which gives complete security to your gadgets like Window, Mac, Computer, Laptop and Android Phones. The customer can install via mcafee.com/activate. Sometimes user faces McAfee error code 66 due to the misconfiguration of the system setting and also because of corrupted Window Registries. In this blog, the user will read the method to fix McAfee error code 66.

Method to Fix McAfee Error Code 66:

1: Clean Out System Junk or Temporary Files:

For Windows:

1. First, you should open your Personal computer.
2. After this, you should visit to the start button.
3. Then, you will see the search box on your computer screen.
4. Here, you need to type the command in the box.
5.  Next, you need to press the ctrl+shift button simultaneously and then press Enter key.
6. At this point, you will view the permission dialog box comes on your system screen.
7.  Now, you need to select the Yes option.
8. Here, the blinking cursor with a black box will appear on your computer screen.
9. At this point, you have to type cleanmgr there and then tap on Enter key.
10.  Now, the disk cleanup will begin calculating the free space.
11. Then, you need to select the checkbox which appears on your computer screen.
12. Here, you have to select the temporary files category and also you need to select the boxes which you want to clean.
13.  Finally, you need to hit on the Ok button.

2: Uninstall McAfee Program Linked with the Error 66:

For windows:

1. First of all, you should open the computer system and then visit to the start button.
2. Now, you need to tap on the control panel option.
3. After this, you should click on the programs option and then select programs and features.
4.  At this point, there is a error related to McAfee after effects.
5.  Then on the top menu, you will view the uninstall option.
6. Next, you need to hit on the Uninstall option.
7.  Finally, you need to follow the instructions to finish the uninstallation process. For more info, just tap on Www.mcafee.com/activate.

3: Run the Preinstall Tool:

1. You need to download the preinstall tool.
2. After this, you should ensure that you saved your files to your computer system.
3. Then, you need to tap on the pre-install tool.
4.  Now, the warning message dialog box comes on your computer screen.
5. Next, you need to tap on the Ok option in order to save the changes.
6. Here, the preinstall tool has finished its work and then tap on Ok button.
7. At this point, you need to click on the Close option.
8. Finally, you must restart your computer system.

Through this way, the user can easily fix the McAfee Error Code 66. But if the customer need any kind of detail, then they must navigate to the official website of McAfee antivirus software through mcafee.com/activate.