Windows 11 · Windows
Fix a Windows 11 update stuck at 100%
Source-checked About 10 minutes
Answer
Leave the PC powered while disk activity continues, then restart, run the Windows Update troubleshooter, check storage and retry the update.
Wait before interrupting
Keep the PC connected to power and allow time for installation while there is visible progress or disk activity.
Restart and check again
If the percentage has not changed for an extended period, restart Windows and open Settings > Windows Update.
Run the troubleshooter
Run the Windows Update troubleshooter in Get Help and follow its recommended actions.
Check prerequisites
Confirm a stable connection and sufficient free storage, disconnect nonessential hardware, and retry. Record any error code for Microsoft Support.
Check update history
After restarting, open Settings > Windows Update > Update history and confirm whether the update succeeded. If it fails again, record the complete error code before using Microsoft's update troubleshooting guidance.
Video walkthrough
If it does not work
- After the restart, open Update history and record the exact KB number, status, and error code, then select Check for updates once. Do not judge success only by the progress percentage from the previous session.
- Keep the PC connected to power while Get Help runs the Windows Update troubleshooter. Before any firmware or Windows recovery step, make sure important files and the BitLocker recovery key are available.
Sources and verification
Checked against official documentation on . Scope: Windows.
Follow the linked first-party guidance if labels differ after a platform or app update.