Tutorial of Fixing error code 66a windows update

Once you own a computer, you must experience windows update process. However, windows update error could occur at the same time. Don't panic! In the page, I would like to share some suggestions for troubleshooting update errors. Let's illustrate error code 66a windows update as an example.

What Causes error code 66a windows update Problem:

• Failed to install the latest windows update.
• System files are corrupted or damaged.
• Windows Update application's inability to access specific user data.
• Virus infection or Trojan attacks your PC.
  

Manual Instructions:

1. Try to install the update again. Even if you aren't good at computer skills, you can do the below steps with ease.

a. Click Start Button, and choose Control Panel. Click on All Programs and then click on Windows Update.

b. Click Check for Updates to examine the potential risk for your PC.

c. After the above step, if you still cannot solve error code 66a windows update problems, you had better install windows installer again.

http://www.microsoft.com/en-us/download/details.aspx?id=25

2. Do a system restore for your PC.

a. Click Start, type system restore in the searching box. Run System restore as administrator.

b. Then do as the restore instructions step by step.

Here offers a video instructions of how to restore your system to its original date.