Presario CQ42 Mute Toggling Automatica​lly/Random​ly

Over the last two weeks, my Pressario CQ42 is randomly automatically toggling the mute button. I will be watching a video, and periodically the quick launch sound bar will pop-up (see attached picture), and mute will switch itself on. I can switch it back off with F10, but at some random time later it switches back to mute.  This can happen 20 times in an hour.
I have tried re-loading audio, quick launch, and touchpad drivers, and have updated to the latest BIOS. But none of these helped. I have now also noticed that the ESC, backspace, Windows, and pause keys (when pressed) also toggle the mute button. I tried to update the keyboard driver, but managed to only roll it back to a previous version, but the problem remains.
I have run virus and malware scans, and the system is clean.
I have checked forums, but cannot find anyone who has posted this problem before.
Please help if you can. Thanks.

I would suggest you to contact HP in this case.
As your notebook is still under warranty, contact HP .
If you live in the US, contact HP Here.
If you are in another part of the world, start Here.
**Click the KUDOS star on left to say Thanks**
Make it easier for other people to find solutions by marking a Reply 'Accept as Solution' if it solves your problem.
Thank You,
AntonyG1
Although I am an HP employee, I am speaking for myself and not for HP

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