Windows Update error FFFFFFFE
If you receive Windows Update error FFFFFFFE, it means that an update can't 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 won't install the update.
To solve this problem, we recommend that your reinstall Windows 7 using the Custom installation option and format the hard disk. Make sure to back up your files before you reinstall Windows 7. After the installation is complete, you can restore your files and install or reinstall an antivirus program.
To reinstall Windows 7 and format the hard disk
Error codes this applies to: