[SOLVED] Cumulative Update for Windows 11 Insider Preview (10.0.22622.440) (KB5015890) keeps failing with Download error - 0x800f0806

Denver · Jul 31, 2022

The Cumulative Update for Windows 11 Insider Preview (10.0.22622.440) (KB5015890) keeps failing with Download error - 0x800f0806. It's an official copy of Windows 11 Pro.

I've attached the CBS.log file here as zip and normal copy

x BlueRobot · Aug 7, 2022

Since this is a download error, could you please provide the WindowsUpdate.log file using the instructions from this tutorial - Troubleshooting Windows Update Log Errors

I've noticed that you've mentioned that you're running an Insider build too, please note that these are beta builds and bugs are to be expected.

Denver · Aug 7, 2022

Thanks for the instructions.

I've attached the WindowsUpdate.log file below

x BlueRobot · Aug 8, 2022

Rich (BB code):

2022-08-07 22:25:44.2626469 19772 10264 Agent           *FAILED* [8024000E] file = D:\a\_work\1\s\src\Client\lib\EndpointProviders\EndpointProviders.cpp, line = 1925
2022-08-07 22:25:44.2627934 19772 10264 DownloadManager Generating download request for update 665F55CA-E6F5-4893-88C4-1E42D41303FB.1.
2022-08-07 22:25:44.3973793 19772 10264 DownloadManager Calling into handler 0xc to generate download request for update 665F55CA-E6F5-4893-88C4-1E42D41303FB.1.
2022-08-07 22:25:44.3973857 19772 10264 Handler         *FAILED* [800F0806] UUP GDR: Completed
2022-08-07 22:25:44.3973921 19772 10264 Handler         *FAILED* [800F0806] file = D:\a\_work\1\s\src\Client\Engine\handler\OSDeployment\Downloader\OSAsyncDownloader.cpp, line = 227
2022-08-07 22:25:44.4037794 19772 10264 Handler         *FAILED* [800F0806] file = D:\a\_work\1\s\src\Client\Engine\handler\OSDeployment\Handler\UHOSDeployment.cpp, line = 376
2022-08-07 22:25:44.4037835 19772 10264 DownloadManager *FAILED* [800F0806] GDR
2022-08-07 22:25:44.8683492 19772 10264 Handler         OnDownloadJobFailure - UUP update 665F55CA-E6F5-4893-88C4-1E42D41303FB.1 in the sandbox C:\WINDOWS\SoftwareDistribution\Download\88e017814e6402428f0f2cb1bad1a84f failed with 0x800f0806.
2022-08-07 22:25:44.8683512 19772 10264 Handler         OnDownloadJobFailure - UUP update 665F55CA-E6F5-4893-88C4-1E42D41303FB.1 found 0l downloaders.
2022-08-07 22:25:44.8744850 19772 10264 DownloadManager *FAILED* [800F0806] Error occurred while downloading update 665F55CA-E6F5-4893-88C4-1E42D41303FB.1; notifying dependent calls.
2022-08-07 22:25:45.0246989 19772 10264 DownloadManager Unlock the sandbox of update 665F55CA-E6F5-4893-88C4-1E42D41303FB.1 (session data: (null))

Do you have any third-party firewalls or security programs installed? Why are you running a beta build of Windows 11 anyway?

Denver · Aug 8, 2022

x BlueRobot said:

Rich (BB code):

2022-08-07 22:25:44.2626469 19772 10264 Agent           *FAILED* [8024000E] file = D:\a\_work\1\s\src\Client\lib\EndpointProviders\EndpointProviders.cpp, line = 1925
2022-08-07 22:25:44.2627934 19772 10264 DownloadManager Generating download request for update 665F55CA-E6F5-4893-88C4-1E42D41303FB.1.
2022-08-07 22:25:44.3973793 19772 10264 DownloadManager Calling into handler 0xc to generate download request for update 665F55CA-E6F5-4893-88C4-1E42D41303FB.1.
2022-08-07 22:25:44.3973857 19772 10264 Handler         *FAILED* [800F0806] UUP GDR: Completed
2022-08-07 22:25:44.3973921 19772 10264 Handler         *FAILED* [800F0806] file = D:\a\_work\1\s\src\Client\Engine\handler\OSDeployment\Downloader\OSAsyncDownloader.cpp, line = 227
2022-08-07 22:25:44.4037794 19772 10264 Handler         *FAILED* [800F0806] file = D:\a\_work\1\s\src\Client\Engine\handler\OSDeployment\Handler\UHOSDeployment.cpp, line = 376
2022-08-07 22:25:44.4037835 19772 10264 DownloadManager *FAILED* [800F0806] GDR
2022-08-07 22:25:44.8683492 19772 10264 Handler         OnDownloadJobFailure - UUP update 665F55CA-E6F5-4893-88C4-1E42D41303FB.1 in the sandbox C:\WINDOWS\SoftwareDistribution\Download\88e017814e6402428f0f2cb1bad1a84f failed with 0x800f0806.
2022-08-07 22:25:44.8683512 19772 10264 Handler         OnDownloadJobFailure - UUP update 665F55CA-E6F5-4893-88C4-1E42D41303FB.1 found 0l downloaders.
2022-08-07 22:25:44.8744850 19772 10264 DownloadManager *FAILED* [800F0806] Error occurred while downloading update 665F55CA-E6F5-4893-88C4-1E42D41303FB.1; notifying dependent calls.
2022-08-07 22:25:45.0246989 19772 10264 DownloadManager Unlock the sandbox of update 665F55CA-E6F5-4893-88C4-1E42D41303FB.1 (session data: (null))

Do you have any third-party firewalls or security programs installed? Why are you running a beta build of Windows 11 anyway?

I have Kaspersky Anti-Ransomware tool installed. I uninstalled that and tried too but it still gives the same error. I'm running a beta build because I look forward to some updates like Windows Subsystem for Android and other features that would benefit me as a developer. I also really really wanted to use the official Windows File Explorer Tabs feature.

x BlueRobot · Aug 9, 2022

Did you use their official removal tool? Let's clear out your SoftwareDistribution folder to ensure that nothing is cached, it will also force Windows Update to run a "fresh" scan of updates as well:

Rename SoftwareDistribution Folder

Click on the Start button and in the search box, type Command Prompt
When you see Command Prompt on the list, right-click on it and select Run as administrator
When command prompt opens, copy and paste the following commands into it, press enter after each
Rich (BB code):
```
net stop wuauserv
net stop bits
rename %systemroot%\SoftwareDistribution SoftwareDistribution.bak
net start wuauserv
net start bits
```
If there any issues, then please provide a screenshot of the Command Prompt window in your next post.

If that fails, then please ensure that your firewall settings have been set to their defaults since it isn't unusual for many security programs to fiddle with these, which then causes Windows Update to have difficulty with downloading updates. Could you please open an elevated command prompt and enter the following command:
Rich (BB code):
```
netsh advfirewall reset
```

Denver · Aug 9, 2022

x BlueRobot said:
Did you use their official removal tool? Let's clear out your SoftwareDistribution folder to ensure that nothing is cached, it will also force Windows Update to run a "fresh" scan of updates as well:

Rename SoftwareDistribution Folder

Click on the Start button and in the search box, type Command Prompt

When you see Command Prompt on the list, right-click on it and select Run as administrator

When command prompt opens, copy and paste the following commands into it, press enter after each

Rich (BB code):

net stop wuauserv net stop bits rename %systemroot%\SoftwareDistribution SoftwareDistribution.bak net start wuauserv net start bits

If there any issues, then please provide a screenshot of the Command Prompt window in your next post.

If that fails, then please ensure that your firewall settings have been set to their defaults since it isn't unusual for many security programs to fiddle with these, which then causes Windows Update to have difficulty with downloading updates. Could you please open an elevated command prompt and enter the following command:

Rich (BB code):

netsh advfirewall reset

Which official removal tool? The Kaspersky one? I clicked the uninstall from the start menu. It took me to control panel. I uninstalled it from there. It took me to complete a survey on the Kaspersky sit after uninstalling.

Also thanks for the above steps. I tried both. It still gives the same error.

I was checking the issues opened by other users on the Windows Troubleshooter page of the Settings app. Turns out there are a few users facing the exact same issue. Maybe there's just an issue with this update for some users.

x BlueRobot · Aug 10, 2022

Denver said:
Which official removal tool? The Kaspersky one? I clicked the uninstall from the start menu. It took me to control panel. I uninstalled it from there. It took me to complete a survey on the Kaspersky sit after uninstalling.

You may wish to try the official removal tool which is available here - General articles

Otherwise, this could possibly be a bug with the XML action file associated with the update itself, since one of the errors within the log was the following:

WU_E_XML_INVALID wuerror.h
# Windows Update Agent found invalid information in the
# update's XML data.

Denver · Aug 10, 2022

x BlueRobot said:
You may wish to try the official removal tool which is available here - General articles

Otherwise, this could possibly be a bug with the XML action file associated with the update itself, since one of the errors within the log was the following:

I've tried the Kaspersky official removal tool but I still face the same issue.

It's quite possible that it's a bug with Windows update itself. I've noticed that the update number (KB5015890) I mentioned here has changed twice (that I noticed of at least). It's currently (KB5016694) and the name is Cumulative Update for Windows 11 Insider Preview (10.0.22622.575)

I've checked the history and can confirm that the update name and number is just being updated. Because the one I mentioned here is not anywhere in the update history.

This could possibly mean that Microsoft detected the issue and is trying new updates to fix it right?

x BlueRobot · Aug 12, 2022

Most likely and it seems that a number of people have been having issues with the Insider updates recently. You could try and get the latest ISO from UUP Dump and then perform an in-place upgrade with it?

Denver · Aug 13, 2022

x BlueRobot said:
Most likely and it seems that a number of people have been having issues with the Insider updates recently. You could try and get the latest ISO from UUP Dump and then perform an in-place upgrade with it?

Yes true. I tried getting the latest ISO from UUP Dump. And I did an in-place upgrade. Thanks a lot man. It worked. You're a genius!!

x BlueRobot · Aug 13, 2022

No problem, glad you managed to get on the later version.

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[SOLVED] Cumulative Update for Windows 11 Insider Preview (10.0.22622.440) (KB5015890) keeps failing with Download error - 0x800f0806

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