Why my achievemetns not showing up ?

If you completed the requirements to unlock the achievement on your console, but it doesn't show, it might not be synchronized with the Xbox network. Allow up to 72 hours for this synchronization to take place.

For more info please check: Problems with Xbox achievements and challenges | Xbox Support

It has been more then that. It was Gears of War UE for windows 10. Does it have anything to do with different version of windows 10 ?

I would be OK with it in 2 places, but I wish I didnt have to have Win 8 to view it with the smartglass app. Why not just make a web page like the 360 achievemetns page that can be viewed on other microsoft developed software....just frustrating

Hey mate,

Seems to be a common issue, where the achievemetns are showing the incorrect date in the full achievement view. Can you just double check on xbox.com, smartglass, or the acheivemetns snapp app, and make sure they are showing correctly on there? If they are,
then you have nothing to worry about, the support team are aware of the issue and are currently working on it If they show incorrectly everywhere, then let us know and a support agent will be able to advise

Cheers

Denaz

Hi, Tristan! I'm sorry to hear you're having issues with your V-bucsk. No worries, I'm happy to assist you with this today.

Epic support would like to confirm whether you have redeemed the secondary code on the correct Microsoft account.

Login to Epic account

Then go to transaction > V-bucks Card Redemption from the drop down menu

That will allow you to see the v-bucks card redeemed on your account as well as the secondary code.

Login to the account that you see through your Epic account where you redeemed the secondary code at this link below and verify that the V-bucks shows as redeemed:

https://account.microsoft.com/billing/orders

Let me know if you see it is redeemed on to the right account.

Thank you!