This error may appear anytime a Windows Update fails. To investigate possible solutions, we need to start with the specific error code. We can do this by viewing your update history. Swipe in from the right edge of the screen (or, if you're using a mouse, pointing to the lower-right corner of the screen and moving the mouse pointer up), and tap or click Settings . Tap or click Change PC settings , and then Update and recovery . Tap or click View your update history . View failed update error code. Please post here with your error code, so that the Community can try to help guide you appropriately.

Have pressed Windows button At that point the Logo key by itself probably wouldn't do anything. Win-P might or Ctrl-Alt-Delete might. Sometimes just tapping on the Power switch, e.g. to try to wake it from a Sleep state works.

I have had the same problem. I contacted Microsoft support. It took several hours of updating 8.1 in order to get past this. Susan

I have a brand new computer only 3 days old. When I turn the computer on it comes up with: "We couldn’t complete the updates, Undoing changes. Don’t turn off your computer." There are no error codes. I have followed your instructions in 1., but I am unable to pull up anything on the screen. Have pressed Windows button and still nothing that will allow me to change PC settings. Please help as this has been stuck on this for several hours. It's a new computer so this is strange I am having this issue.

Started a brand new thread: Follow on to: Error: We couldn’t complete the updates, Undoing changes. Don’t turn off your computer. and uploaded my WindowsUpdate.log file to OneDrive. Link is: https://onedrive.live.com/redir?resid=14216968F14E2203!542&authkey=!ANG\_i-atmgSCMSM&ithint=file%2clog

It just says KB2919355 failed to update. No error code.

Error: We couldn’t complete the updates, Undoing changes. Don’t turn off your computer.

Anonymous

This error may appear anytime a Windows Update fails. To investigate possible solutions, we need to start with the specific error code.

We can do this by viewing your update history.

Swipe in from the right edge of the screen (or, if you're using a mouse, pointing to the lower-right corner of the screen and moving the mouse pointer up), and tap or click Settings.
Tap or click Change PC settings, and then Update and recovery.
Tap or click View your update history.

View failed update error code.

Please post here with your error code, so that the Community can try to help guide you appropriately.

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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998 answers

Anonymous

2014-10-31T01:27:32+00:00

Have pressed Windows button

At that point the Logo key by itself probably wouldn't do anything. Win-P might or Ctrl-Alt-Delete might. Sometimes just tapping on the Power switch, e.g. to try to wake it from a Sleep state works.
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Anonymous

2014-10-31T01:22:23+00:00

I have had the same problem. I contacted Microsoft support. It took several hours of updating 8.1 in order to get past this.

Susan
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Anonymous

2014-10-31T00:09:33+00:00

I have a brand new computer only 3 days old.

When I turn the computer on it comes up with:

"We couldn’t complete the updates, Undoing changes. Don’t turn off your computer."

There are no error codes. I have followed your instructions in 1., but I am unable to pull up anything on the screen. Have pressed Windows button and still nothing that will allow me to change PC settings.

Please help as this has been stuck on this for several hours. It's a new computer so this is strange I am having this issue.
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Anonymous

2014-10-29T21:22:44+00:00

Started a brand new thread:

Follow on to: Error: We couldn’t complete the updates, Undoing changes. Don’t turn off your computer.

and uploaded my WindowsUpdate.log file to OneDrive.

Link is: https://onedrive.live.com/redir?resid=14216968F14E2203!542&authkey=!ANG\_i-atmgSCMSM&ithint=file%2clog
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Anonymous

2014-10-29T18:22:51+00:00

It just says KB2919355 failed to update. No error code.
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