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It's the typical error people are getting when trying to cleanup an image.
[doublepost=1480260052][/doublepost]I managed to advance to error 0x800F0907 by adding this registry key:

Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: \Software\Microsoft\Windows\CurrentVersion\Policies\Servicing\

Value Name: UseWindowsUpdate

Type: REG_DWORD
Value: 2
 
Not only upgrade to Anniversary Update fails, repair install also does.
 
So simple search shows 0x800F0907 is related to .Net Framework 3.5 installation failure. Is this your problem?
 
Anniversary build broke lots on bootcamp. I just wiped the partition and reinstalled with a new updated image from Microsofts website and it works fine now
 
I managed to fix it by:

- Uninstalling/deactivating third-party security software so that I could repair install (fixed the corruption)
- Disk Cleanup (Windows Update cleanup) so that I could upgrade then to Anniversary Edition

Probably it would have been possible to upgrade to Anniversary directly in the first step.
 
I managed to fix it by:

- Uninstalling/deactivating third-party security software so that I could repair install (fixed the corruption)
- Disk Cleanup (Windows Update cleanup) so that I could upgrade then to Anniversary Edition

Probably it would have been possible to upgrade to Anniversary directly in the first step.
Hmm. Microsoft does mention users should disable security software during update process to avoid such issues. I don't have any third party security software in my system so I almost forget about it.
 
Hmm. Microsoft does mention users should disable security software during update process to avoid such issues. I don't have any third party security software in my system so I almost forget about it.
Other computers with the same software had no problem upgrading.

I did not know it was an official (lame) recommendation.
 
Other computers with the same software had no problem upgrading.

I did not know it was an official (lame) recommendation.
And this is the same recommendation for installing windows update, which is even frustrating from windows 10 forcing frequent system update.
 
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