That can only happen if one of them updates has been installed. Bear in mind when you hide some of them, they re-appear once or twice until you hide them again they will be gone forever. I just installed Windows 7 about 10 times the last month and hid the updates in this list and not one of the machines had the GWX or Windows 10 upgrade notification. not one.
I'm talking about Windows 8.1, so then maybe there's additional Windows 10 related KB numbers that
do apply to Win8/8.1, but simply aren't showing up when using Win7 ?
At any rate, it's a giant pain trying to trace down each individual KB number, uninstall it, then check for updates, then hide the updates. Not to mention: hidden updates re-appearing, which I haven't actually seen/can't confirm.
Microsoft should acknowledge the error, and provide a simple one click "Fix It" that would solve the problem.
Might need separate "Fix Its" for Win7, Win8, & Win8.1 (don't know).
Currently, I still have the Windows 10 "free upgrade" icon appearing in the Task Bar, even though all of the OP's listed KB updates (if they were installed) have now been uninstalled & hidden.
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Edit: the Win10 update icon is run by the GWX.exe file located in the c\Windows\System32\GWX folder. Hopefully by changing the read/write permissions for that folder, the update icon will not re-appear.