Reinstalled manufacturer's driver after Windows replaced it. Reinstallation was successful, but the button is still greyed out.

I believe I have found at least part of the problem. I killed 3 rundll.exe processes related to some HP printer software, and the memory usage went down from 90 Mb to around 30. Strange that...

This problem persists. Does anyone know whether Microsoft's marking it as an old thread means that everyone at Microsoft doesn't care about the issue?

Here's an illustration of service's performance graph.
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Each of the green peaks is a point at which Windows freezes.

Oh, I forgot to mention that the memory usage grows to over 250MB....

This problem persists, and at this point any feedback or comment will be appreciated. If a moderator has input, that is welcomed, too. Any MSCE gurus? Hope everyone has a great day!

I bought my laptop in January 2015, and got used to Windows 8.1. I have liked Win10 ever since I upgraded late last year. I had some minimal trouble in the "migration", which was related to the...