I've been very busy with an Exchange migration, so I haven't had the time to contribute until now about this.
A few days after my issue appeared to be 'fixed,' I started seeing a new Windows store...

Not sure if this matters much, but it's worth mentioning that a few days before I found this thread, I had actually opened a couple of remote sessions with support from Microsoft and observed how...

Strangely enough, that issue came back to haunt me again, a day or so ago, but I was too busy to worry about it.
Once again, that 'update indicator' showed as if there was an update, but nothing...

And did you actually create a brand new profile as I detailed in the steps, or did you use an already existing other windows profile? I'm asking this because the issue may have been already happening...

Well, I'm not sure how the mobile version of Windows (for phones) treats the Windows store cache, but the desktop version of Windows 10 uses 2 components: The Windows profile logged into the machine...

As my previous post detailed, I too suffered from that phantom 'app update' indicator.
During my last troubleshooting steps (due to reading another thread here somewhere about the same issue), I...

As my previous post detailed, I too suffered from that phantom 'app update' indicator.
During my last troubleshooting steps (due to reading another thread here somewhere about the same issue), I...

Create a new Windows profile with the same rights, and install or update a few apps.
Restart the computer, then login with that same profile.
Does your Windows store still show that 'phantom' app...

Just adding to the conversation here as well & hopefully some of my details can help you all as well:

So, I too am having the same type of issue with my Windows store regarding an update being...