Windows 10: Win 10 October upgrade (1809) stuck at 99% download

I upgraded all seven of my home computers to 1809 without a problem, but the last computer is stuck at 99%. It was at 92% when I went to bed now its at 99%. On the other computers it took maybe an hour each to download and install. It's been 8 hours now and still not finished.

What do I do to get this finished?

I'm using the Win 10 Upgrade Assistant program or the download/upgrade. PS. I'm on a different computer right now, but the internet is working fine and the home network/router seems fine too.

:)

 

Windows 10 upgrade stuck at 99%.

Hi Lynn,

To get a better clarity on the issue, please answer the below questions;

• 
  What is the make and model of your Computer?
  
• 
  Are you getting any error messages?
  
• 
  Just to clarify, are you trying to update Windows 10 or Are you trying to upgrade to Windows 10 from any older version of Windows?
  
• 
  If you are doing an upgrade; how are you upgrading to Windows 10? What is the Windows version already installed on Computer?
  

I

suggest you to follow the steps provided by Andre Da Costa in the below link and check if you can upgrade to Windows 10 successfully.

http://answers.microsoft.com/en-us/...ck-at-99/daed1cf2-7811-4808-9f79-ddffd789bb94



Hope you can upgrade to Windows 10 successfully.

Get back to us for further assistance, we will be glad to help you.

 

Windows 10 upgrade assistant stuck at 99%

Here is what I've learnt about upgrading to Windows 10, in the past few days.

Media Creation Tool

The good thing is that the upgrade completes smoothly once the download has completed.

The bad thing is that it doesn't resume interrupted downloads. The download is over 3GB which is almost 3x the amount downloaded by UpgradeAssistant.

Common Problems<br>
Once interrupted (esp. crashed or rebooted) you won't be able to launch the tool again without manually deleting the $Windows.BT and $Windows.~WS folders first. However, in order to delete these folders you'll need to use Process Explorer (from sysinternals) and forcefully close all open handles to files in these folders. Search for "$Windows." and close every handle that you find.

In my case, after each interruption (I had four) it would add 3.02GB to the download - basically start downloading +1 BITSXYZ.tmp files. With 5 downloads of over 15GB I had to say goodbye to this method as nothing I did could reset the tool to its initial state.

Don't use this method unless you have a reliable power-source and good internet.

Upgrade Assistant App

Very good at resuming broken downloads and it downloads only what is needed for your system therefore a much faster method. The downside is that the upgrade isn't a smooth process.

Common Problems<br>
Upgrade will get stuck at 99% and there doesn't seem to be a single solution that works for everyone. First, its better to resolve missing driver issues before upgrading (as suggested by other answers). Here is what I did to get past 99%.

1. Let it run for sufficiently long time say 3 hours.
   
2. Set startup type for the windows service: "Windows Update" to "manual" for the duration of the upgrade, this will prevent it restarting itself when you perform the next step.
   
3. Stop the windows service: "Windows Update" and wait a couple of minutes
   
4. If this doesn't help start the service again.
   
5. Use process-explorer to kill SetupHost.exe that is a child of WindowsUpgradeAssistantApp.exe.
   
6. Wait for the assistant to report "Something went wrong," and use the "Try Again" option. This should repeat the usual download, verify and install cycle except that at about 45% a blue interface will popup.
   

The new popup UI will start in "Getting Updates," phase and believe it or not there are far more reported incidents of that getting stuck. To resolve it:

1. Stop "Windows Update" service
   
2. Clear all contents of "C:\Windows\SoftwareDistribution"
   
3. Start the service again (if needed).
   

This should hopefully unblock the tool, but it will come back to the "Getting Updates" state again. Give it some time and if it gets stuck again, follow Step 1 and 3-4.

Once past this point the "real upgrade" would begin and hopefully that would be a smooth process.

 

Win 10 upgrade stuck at 99%

I went to bed last night with the Win 10 upgrade at 99%. It had been there for a while when I decided to let it run overnight. Well, this morning it was still there at 99%. So, I manually restarted the computer. Now the computer boots into Win 10 and constantly
reboots itself with the following message:

"Failed in SECOND_BOOT phase...error during MIGRATE_DATA operation"

It will boot up into Safe Mode. I read somewhere that that message means Win 10 doesn't like the graphics driver.

The computer is a 5 year old HP DM2070US laptop. The graphics is Intel HD 3000. HP does not list a driver for the Win 10 version and doubt that they are much interested in keeping 5 year old computers upated. I tried the Win 8 version resulting in the same
problem. I checked the Intel site and it does indicate that Microsoft has a beta version of that driver with the suggestion to download it by running Windows Update.

How do I get it since I can't run Windows Update in safe mode?

In the mean time I'm back to Win 7 on that laptop.