Windows 10: Error fix?: We couldn’t complete the updates undoing changes.

I keep getting this error every time I try to update my pc and I have no idea why. Any help appreciated.

submitted by /u/Yesdadiva
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:)

 

We couldn't complete the updated, undoing changes...

Hi,



I suggest you to run the Windows Update troubleshooter and check if it helps.

Windows 10 has a built-in troubleshooter to check and fix issues with Update. I would suggest you to run this troubleshooter to check if the issue is with your Windows update.

Refer these steps:

• 
  Press Windows key +X, select
  Control panel.
  
• 
  Change the view by option on the
  top right to Large icons.
  
• 
  Click on troubleshooting and click on the
  view all option on the left panel.
  
• 
  Run the Windows Update troubleshooter.
  

Keep us posted on this issue so that we can assist you better.

 

Windows 10: "We couldn't complete the updates, undoing changes"

I've got the same issue and following on @Arthur's suggestion, I had a look at my user SIDs in the registry under HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList and some of them belonged to users that no longer existed in the system (I had previously removed them).

I've removed the dummy entries (luckily there were only a couple) and the update worked.

PLEASE save yourself some trouble and backup the registry before trying that.

 

Windows cant complete the update and then it undoes all the changes

I have been trying to update for several days now but the message is always the same saying Windows cant complete the update and then it undoes all the changes. So how do you fix that? it takes forever for my computer to run the protocol associated with
this problem. Very Annoying! Any suggestion you have to resolve this issue would be appreciated. Is there a fix for this coming?