Simple Steps to Troubleshoot window update error code 643

If you have a computer, you will never avoid to update your windows systems from time to time. Nevertheless, 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 window update error code 643 as an example.

Causes of window update error code 643 Issues:

  • 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. Reinstall the windows update at once. 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.

window update error code 643

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

window update error code 643

c. After the above step, if you still cannot fix window update error code 643, you had better install windows installer again.


2. Perform a system restore for your computer.

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.