Fast Solution to Error: All "media buttons" stopped working. AGAIN. Windows 7

All "media buttons" stopped working. AGAIN. Windows 7

This is the third time this has happened to me, and this time it's the last straw because none of the "fixes" i did the other two times work this time.
To be a bit more clear on what I mean by "media buttons" is next/prev.
track, play/pause, vol up/down, mute, and stop.
NO, it is nothing to do with my keyboard, because even sending the key(s) through a mouse or program doesn't work.
I have googled this to DEATH, and I can't even find one case of ANYONE ELSE having this problem.

It may be useful to know how I fixed it the other two times.
First time, I honestly don't know what I did.
One day as randomly as it stopped working, it started working again.
(I reinstalled Windows at some point between the first time this happened and the second time.)
Second time, I uninstalled Windows Media Player and restarted about 4 times and then remembered to check if it worked and it did.
This time, Windows Media Player is still gone.

It has nothing to do with the player I am using, because it has nothing to do with it.
(Mute and volume up/down don't work even if it is not open.)

Edit
I forgot some things...
sfc /scannow didn't solve anything.
The drivers are up to date on everything.
I have tried doing a "clean boot" and had no results.
I have tried booting in safe mode.
I have tried a system restore to before the problem started.

Keys to the Problem All "media buttons" stopped working. AGAIN. Windows 7

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Another Safe way to Repair the Problem: All "media buttons" stopped working. AGAIN. Windows 7:

 

 

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