Whether I use Windows Update or the Application Assistant, I get this same error. Error message: There were some problems installing updates, but we'll try again later. If you keep seeing this and want to search the web or contact support for information, this may help: (0x800703ee) Antivirus and external drives disabled Chkdsk returns no errors There's plenty of space on C drive as well as in the EFI partititon C drive has been cleaned up All drivers have been updated All Windows 11 requirements have been met I'm not sure what else to try.

Hi, I'm Ric, an independent advisor. I'm sorry you're experiencing this issue. The 0x800703ee error typically points to file corruption or interference from third-party software, even if antivirus is disabled. Please try these steps: Run DISM and SFC Tools to repair system files: DISM /Online /Cleanup-Image /RestoreHealth sfc /scannow Learn more here https://support.microsoft.com/en-us/topic/use-t... Perform an In-place Upgrade using the Windows 11 ISO – run the setup file and choose Keep personal files and apps. This often bypasses upgrade errors. https://www.microsoft.com/en-us/software-downlo... Check Windows Update Components – reset them using this guide: https://support.microsoft.com/en-us/windows/tro... If none of these work, try checking C:$WINDOWS.~BT\Sources\Panther\setuperr.log for detailed failure reasons. Hope this helps, otherwise, I would be happy to assist you further.

Please run msinfo32.exe, and click System Summary. Resize the columns in the right pane to make the entries visible, and post a screenshot of that screen. Open admin Command Prompt and run: reagentc /info dir c:\windows\system32\recovery /a bcdedit diskpart list disk select disk 0 list part list vol exit Post the output. Share the following setup log file on OneDrive (or any other host) and post the link here: C:$WINDOWS.~BT\Sources\Panther\setupact.log Note: "C:$WINDOWS.~BT" is a hidden folder. To access it, press Win + R, type "C:$WINDOWS.~BT" and click OK.

I did DISM and scannow and no issues there. I tried to do another upgrade to Windows 11 and it failed. Here's the link to setupact.log https://drive.google.com/file/d/12vHhXJO4jy8rOXVm7KnRpQKiOGjhEuCG/view?usp=drive_link 4) Here's the link to setuperr.log https://drive.google.com/file/d/1tlMApU-qeb6n6O45lMe2spTZCuuyfgWC/view?usp=drive_link System Summary:

Open admin Command Prompt and run: reagentc /info dir c:\windows\system32\recovery /a bcdedit diskpart list disk select disk 0 list part list vol exit Post the output. Attach setupact.log, as mentioned earlier. You've uploaded setuperr.log instead.

0x800703ee error upgrading to Windows 11

Anonymous

Whether I use Windows Update or the Application Assistant, I get this same error.
Error message:
There were some problems installing updates, but we'll try again later. If you keep seeing this and want to search the web or contact support for information, this may help: (0x800703ee)

Antivirus and external drives disabled
Chkdsk returns no errors
There's plenty of space on C drive as well as in the EFI partititon
C drive has been cleaned up
All drivers have been updated
All Windows 11 requirements have been met

I'm not sure what else to try.

Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.

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Answer accepted by question author

Ramesh 181.9K Volunteer Moderator

Please run:

diskpart

select disk 2

list part

select part 2 -- This selects the EFI partition

del part override

create partition efi

format fs=fat32 quick

assign letter=Y

list vol

exit

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47 additional answers

Anonymous

2025-06-18T06:03:30+00:00
Hi, I'm Ric, an independent advisor. I'm sorry you're experiencing this issue.

The 0x800703ee error typically points to file corruption or interference from third-party software, even if antivirus is disabled.

Please try these steps:
1. Run DISM and SFC Tools to repair system files:
DISM /Online /Cleanup-Image /RestoreHealth

sfc /scannow

Learn more here https://support.microsoft.com/en-us/topic/use-t...
1. Perform an In-place Upgrade using the Windows 11 ISO – run the setup file and choose Keep personal files and apps. This often bypasses upgrade errors.
https://www.microsoft.com/en-us/software-downlo...
1. Check Windows Update Components – reset them using this guide:
https://support.microsoft.com/en-us/windows/tro...

If none of these work, try checking C:$WINDOWS.~BT\Sources\Panther\setuperr.log for detailed failure reasons.

Hope this helps, otherwise, I would be happy to assist you further.
Was this answer helpful?

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Ramesh 181.9K Reputation points Volunteer Moderator

2025-06-18T06:11:58+00:00
1. Please run msinfo32.exe, and click System Summary. Resize the columns in the right pane to make the entries visible, and post a screenshot of that screen.
2. Open admin Command Prompt and run:
reagentc /info

dir c:\windows\system32\recovery /a

bcdedit

diskpart

list disk

select disk 0

list part

list vol

exit

Post the output.
1. Share the following setup log file on OneDrive (or any other host) and post the link here:
C:$WINDOWS.~BT\Sources\Panther\setupact.log

Note: "C:$WINDOWS.~BT" is a hidden folder. To access it, press Win + R, type "C:$WINDOWS.~BT" and click OK.
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Anonymous

2025-06-18T07:41:48+00:00
1. I did DISM and scannow and no issues there.
1. I tried to do another upgrade to Windows 11 and it failed.
2. Here's the link to setupact.log
https://drive.google.com/file/d/12vHhXJO4jy8rOXVm7KnRpQKiOGjhEuCG/view?usp=drive_link 4) Here's the link to setuperr.log

https://drive.google.com/file/d/1tlMApU-qeb6n6O45lMe2spTZCuuyfgWC/view?usp=drive_link

System Summary:
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Ramesh 181.9K Reputation points Volunteer Moderator

2025-06-18T07:49:22+00:00

Open admin Command Prompt and run:

reagentc /info

dir c:\windows\system32\recovery /a

bcdedit

diskpart

list disk

select disk 0

list part

list vol

exit

Post the output.

Attach setupact.log, as mentioned earlier. You've uploaded setuperr.log instead.
Was this answer helpful?

0 comments No comments