SOLVED: Cannot Change Default Apps or Programs in Windows 10 [Fix] Winhelponline

(Solution 2 + restart)

For that reason I'll wait for the Windows 10 Anniversary Update that surely will come integrated into a Windows 10 ISO.

I tried sfc & dism commands... no problems found.
I'll wait for the Windows 10 Anniversary Update and I'll install the ISO.

From Windows 10 menu I have a similar option (Choose default apps by file type)... and it works.

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What I would like to know is how to fix the bug from "Default apps" main menu.
Thank you...

All of them... I choose another app but doesn't change it.
In my other PC's I don't have this problem.

Since a time ago I can't change the default apps from Start > Settings > System > Default apps

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Is there a fix for this bug?

I'm using the spanish ISO: es_windows_10_enterprise_version_1511_x64_dvd_7225131.iso
I changed from Pro to Enterprise some days ago... perhaps there is a problem with this ISO. I read that I need to...

I changed Pro to Enterprise with a Enterprise product key and then I activated via phone.
Now my system shows "Enterprise" but can't update to TH2 or reinstall the Enterprise ISO with TH2... because...

Changed 3 different product keys (Enterprise) and same problem; "...different edition...".
(Now my Windows 10 Enterprise is not activated.)

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The main problem is that I have already activated my Windows 10 to Enterprise... and when I try to update (or reinstall) to Windows 10 Enterprise TH2 it says that my edition is different... so I...

Now try to install the TH2 update from the latest Windows Enterprise ISO. Tell me if you can keep your personal files.

Simply changing the product key from Start > Settings > Update & security > Activation > Change product key

Hi Brink, thank you for your help.

The problem is that I have already upgraded my 3 computers to Enterprise (via product keys).
Of course I have the latest Enteprise/Pro ISO's with TH2.
...

Since I changed the product key from Windows 10 Pro to Enterprise:
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Can't update to TH2
Can't reinstall Enteprise or Pro ISO's, keeping personal files (this option is disabled because...