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Windows 10 update stuck at 99% and doesn't move ahead.

2019/01/23 03:17
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I tried aborting it twice and started again. It again stucks at 99%.
Operating System:
Windows 8
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Answered by
Lokesh Yadav
2019/01/26 06:16
Hi Jamie,

The upgrade process usually takes 90 minutes or less or complete. But in some cases, the process can take longer than typical. So you can wait longer and see if it works. The longest time would be 24 hours. If the issue persists after 24 hours, stop waiting and try other solutions.

If the progress of Windows Upgrade Assistant is stuck at 99% for more than four hours, here's something you can try. Note: Follow these steps before you restart your PC. Otherwise, the Media folder might not be available.

  • Open File Explorer, type C:\$GetCurrent, and then press Enter.
  • Copy and paste the Media folder to the desktop. If you don't see the folder, select View and make sure the checkbox next to Hidden items is selected.
  • Restart your PC, open File Explorer, type C:\$GetCurrent in the address bar, and then press Enter.
  • Copy and paste the Media folder from the desktop to C:\$GetCurrent.
  • Open the Media folder, and double-click Setup.
  • Follow the instructions to start the upgrade. On the Get important updates screen, select Not right now, and then select Next.
  • Follow the instructions to finish upgrading to Windows 10. After it's done, make sure to install available updates. Select the Start button, and then select Settings > Update & security > Windows Update > Check for updates.

Solution 2: Stop Windows Update Service
This solution also works in most cases. Follow steps below to stop the Windows Update service.
1. Press Win+R (Windows logo key and R key) at the same time. A Run dialog box will open.

2. Type services.msc in the run box and click OK button.

3. Find Windows Update service. Right-click on it and click Properties on the context menu.

4. Click Stop button.

5. Choose the Startup type to Disabled.

5. Click OK button.

6. Reboot your PC and perform the upgrade again.

If that doesn’t work either, try to delete the Windows Update Cache. After that, Windows 10 should upgrade successfully.

Open C:\Windows\SoftwareDistribution and delete all contents there.

I hope this helps.Regards,Lokesh


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