Andib:shanes:
Yeah I have had it half a dozen times now, I haven't managed to figure out what triggers it.
If you're quick enough, the link on the popup takes you to Windows Update.
Is this what you're seeing if you click on it?
https://imgur.com/a/j4Q1Z - Users on Reddit are reporting it aswell. Appears to be related to an optional Windows update
No, clicking on it just takes me to Windows Update, although I haven't seen it for a while now, so maybe next time it will...
Pretty interesting link though :)



