When you try to install an update for Windows, the installation fails. Additionally, you receive the following error:
This issue may occur if the system is infected by malware (malicious software).
If you receive Windows Update error FFFFFFFE, this means that an update cannot be installed because of a problem on your computer. This problem is usually caused by a malware (malicious software) infection. To prevent your computer from becoming unstable, Windows does not install the update.
To resolve this problem, we recommend that your reinstall Windows 7 by using the Custom installation option and that you format the hard disk. Make sure that you back up your files before you reinstall Windows 7. After the installation is complete, you can restore your files and then install or reinstall antivirus software. Warning
Formatting erases any existing files on a hard disk. If you format a hard disk that contains files, the files will be deleted.
Reinstall Windows 7, and then format the hard disk
To reinstall Windows 7 and then format the hard disk drive, follow these steps:
- Back up your files. For more information about how to create a backup, visit the following Microsoft website:
- Reinstall Windows 7 by using the Custom installation option, and then format the hard disk. For more information about how to do this, see the "Using the Custom installation option and formatting the hard disk" section of the following Microsoft webpage:
- Install antivirus software. For more information about how to defend your computer against malware, visit the following Microsoft website:
- Restore your files. To learn how to restore files, visit the following Microsoft website:
Some antivirus software is sold with annual subscriptions that can be renewed as needed. However, much antivirus software is also available for free. Microsoft offers Microsoft Security Essentials, free antivirus software that you can download from the Microsoft Security Essentials
website. You can also visit the Windows Consumer security software providers
website to find third-party antivirus software.
for other considerations.