Keyboard doesn't let me click certain buttons, when holding other certain buttons

[Microsoft Windows]

Hey, so my keyboard used to work all fine and everything, but lately it has started being weird, I am unable to click the Number 4 while holding down WASD and some surrounding letters, I'm not sure why that happens and I haven't purposely changed anything to make that happen, It is a big problem because games like Apex you need to click the Number 4 to heal up, and for other games too, every other number works fine while holding down those buttons just not 4, I can hold 4 down when holding a letter like K and most other letters, just a few important ones I cant. I checked in Google Doc, and ot

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