Fixing the 0x8000FFFF Error Code in Windows Update
Fixing the 0x8000FFFF Error Code in Windows Update
Blog Article
Fixing the 0x8000FFFF Error Code in Windows Update

The Error code 0x8000FFFF is a common issue faced by several Windows users, especially when updating their operating system or installing applications. This error can be frustrating, but understanding its causes and solutions can help restore your system’s functionality.
The 0x8000FFFF error code is associated with Windows Update and signifies a “fatal error.” This can occur due to:
- Corrupted System Files: Necessary files may be missing or damaged.
- Registry Issues: Conflicts in the Windows registry may cause this error.
- Antivirus Software: Security programs may block updates or installations.
- Incomplete Updates: Failed or interrupted updates might trigger the error.
- Network Problems: Poor internet connectivity can interfere with updates.
1. Run the Windows Update Troubleshooter
Identify and resolve issues using the built-in troubleshooter:
- Go to Settings > Update & Security > Troubleshoot.
- Select Additional Troubleshooters.
- Choose Windows Update troubleshooting and Windows run the troubleshooting process.
2. Check for Corrupted System Files
Use the System File Checker (SFC) to repair missing or damaged system files:
- Open Command Prompt as an administrator.
- Type
sfc /scannow
and press Enter. - Wait for the scan to complete and reboot your system.
3. Use the DISM Utility
If SFC fails to resolve the issue, use the Deployment Imaging Service and Management Tool:
- Open Command Prompt as an administrator.
- Type
DISM /Online /Cleanup-Image /RestoreHealth
and press Enter. - Wait for the process to finish and restart your system.
4. Run Antivirus Software Temporarily
Disable your antivirus software temporarily to ensure it’s not interfering with updates:
- Turn off your antivirus software.
- Attempt the update or installation again.
- Re-enable your antivirus software after completing the process.
5. Reset Windows Update Components
Manually reset components that manage Windows Updates:
- Open Command Prompt as an administrator.
- Run the following commands one by one:
net stop wuauserv
net stop cryptSvc
net stop bits
net stop msiserver
ren C:WindowsSoftwareDistribution SoftwareDistribution.old
ren C:WindowsSystem32catroot2 Catroot2.old
net start wuauserv
net start cryptSvc
net start bits
net start msiserver
6. Conduct a Clean Boot
Perform a clean boot to eliminate startup conflicts:
- Press Windows + R, type
msconfig
, and press Enter. - In the System Configuration window:
- Go to the Services tab and check Hide all Microsoft services.
- Click Disable all.
- Go to the Startup tab, click Open Task Manager, and disable all startup items.
- Restart your computer and try the update again.
7. Update Windows Manually
If the issue persists, download and install updates manually:
- Visit the Microsoft Update Catalog.
- Search for the specific update you need and download it.
- Follow the on-screen instructions to install the update manually.