A post was split to a new topic: Codecs Missing Staging
If you go type About into the Start menu and go to the About Your PC screen, what edition and version are you running?
Feel free to post a screenshot or PM it to me. Thanks!
Thanks for the screenshot @Jon_Leonard – can you try this one?
Let me know if that doesn’t work and we’ll take a deeper look. Sorry for the trouble here!
Sorry, “not applicable” 
Did you get my PM?
Hey @Jon_Leonard – sorry for the trouble here. This is definitely strange.
Can you give me a full rundown of your setup, as described here? Can you also confirm the Media Packs were installed on your Core machine?
This is surprising too:
Since you’re running Windows 10 Enterprise N, and that operating system is supported by that Media Pack:
No, I’m sorry. I coulda sworn…oh, never mind. I actually hadn’t installed kb3099229.
Hi @Jon_Leonard ---- Wanted to check in with your after I saw you response to @mike. Let me know the current state of things and we’ll keep the ball rolling 
Looking forward to your feedback!
-Eric
No, honest, it was my mistake.
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hi folks,
the last update of my Windows10 N have created some problems…
now although I installed the Media Feature Pack for N editions,
this is the packege
KB3099229_x86
ROON requires yet the Audio Codecs ! and will not open!
I installed KB3099229 and rebooted, then KB3133719 and rebooted. Roon controller is running on a different Win 10 system. What else?
Thanks to Tidal support (Tidal was giving me similar errors), I have found the right package that needs to be installed for Windows N:
https://www.microsoft.com/en-us/download/confirmation.aspx?id=53356&6B49FDFB-8E5B-4B07-BC31-15695C5A2143=1
After downloading, installing this package, and restarting my PC, I can now launch both Tidal and Roon.
It would be nice if you could add the link to this package to the web page linked from the error message.
Thanks,
Ami
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@Giona_Orlandi @Jon_Leonard – can you guys try the package linked in the post above mine, as well as the one I mentioned here:
If neither of those work, please confirm:
- That you are installing the packages on the machine where your Roon Core runs
- What you are seeing on the About Your PC screen – a screenshot would be great
Thanks!
hi, for this packager KB3133719-x64.msu or 32 version the computer tells me that it is impossible to install this package !!!
yes Mike i have only one PC and before the upgrade all works properly, then after ROON don’t start and asks the usual codecs!
Edition Windows 10 Enterprise N
Version 1703
Build SO 15063.138
see the photo
thanks
Giona
Hi @Giona_Orlandi ----- I see from your previous post you had tried installing: KB3099229_x86. Have you tried installing KB3099229_x64?
-Eric
yes Eric both packages are installed!
I repeat, before the last Windows update, ROON worked perfectly!
best regards
Giona
Hi @Giona_Orlandi ----- Thank you for touching base with me and clarifying that information. Both are appreciated!
I wanted to let you know that we are currently looking into reproducing this behavior in house and once we have conducted our testing I will be sure to update this thread immediately.
-Eric
Many thanks for your job Eric, but i have change my OS so it is no longer the N version 