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Anniversary Update Restoring back to Last version.


Hello
Has anyone here had the problem with windows 10 anniversary edition restoring back to the last version?
My machine took a half hour downloading and installing. All looked fine but just when I thought it was done I got the message "Restoring to previous version"
After a while longer it had trouble booting that was only corrected by cycling power and booting a couple of more times.
In the end I'm back where I started.
This has been reported on a few other sites as well.

Welcome to the club. It's not at all clear what to do about this.

Are you using the Upgrade Method or Clean Install ?

From what I have read on this forum and others, Clean Install seems to be the best method.



Windows 10 - Clean Install - Windows 10 blog


Sorry, I am not going to reinstall all my software again. I did that once when I upgraded from Win7 ==> Win10. I'd rather stick with my current build which is working fine.

Requiring a clean install is not a reasonable requirement anyway.

Requiring a clean install is not a reasonable requirement anyway.

Can't argue that point. I had issues with a clean install on a separate partition and went back to 1511.

Did you upgrade thru the normal Windows Update or download early from the Microsoft site ? If thru normal Windows Update, you may want to try again using the second link above which also has an upgrade option. May or may not make a difference.

My system has not yet received the Anniversary Update, so I have tried installing the download version several times. When all these failed I went to the Win10 Iso installer.

I'm having a similar problem on a Surface Pro 3 (by *Microsoft*!). At first I was updating via Windows Update. Then I got the Media Creation Tool and run it. It also resulted in reverting to 1511, but at least gave me a reason code:

We couldn't installWindows 10
We've set your PCback to the way it was right before you started installing Windows 10.
0x80070002 - 0x20007
The installationfailed in the SAFE_OS phase with an error during INSTALL_DRIVERS operation


I will try the ISO method now, although I am not hopeful as it fails rather late in the process. I vague recall reading something about there being a limit on the amount of time that is allowed for a driver to install and the Realtek HD audio drivers on the Surface Pro 3 exceed that time. I have no idea how to determine if that's the case and what to do to fix it.

FWIW, I used the MCT method to update my desktop PC just fine.

My system has not yet received the Anniversary Update, so I have tried installing the download version several times. When all these failed I went to the Win10 Iso installer.

I just remembered I had the same issue (return to previous version) when updating from Win 8 to 8.1. What solved the issue for my system was clearing the Windows Store Cache and running sfc/scannow. You may want to try if you haven't before. As weird as that sounds it was the fix at the time.




I reinstalled 1607 tonight on a separate partition. So far it seems to be good.

Mine was doing the auto update the first time.
I ran the update a second time with the same results.
Guess I'll wait until they fix it and hope they don't push it for another auto update.

I just remembered I had the same issue (return to previous version) when updating from Win 8 to 8.1. What solved the issue for my system was clearing the Windows Store Cache and running sfc/scannow. You may want to try if you haven't before. As weird as that sounds it was the fix at the time.
Greetings! I cleared the Windows Store Cache and ran sfc/scannow (it did find uncorrectable errors). I then ran the update from USB media. I'm still getting the same errors: 0x80070002 - 0x20007, in the SAFE_OS phase with an error during INSTALL_DRIVERS operation.

Does anyone have further thoughts on how to get past driver installation errors during the update?

Thanks.

Anniversary Update Restoring back to Last version.