This is unusual and usually only in say "Word." It sounds like you installed and setup a keyboard macro system.
No one can guess what that could be. Maybe you can recall what you setup or let's try a Speccy report. Here's how:
https://www.piriform.com/docs/speccy/using-speccy/publishing-a-speccy-profile-to-the-web
I've tried many method in internet for fixing keyboard error (numlock off,etc) but my laptop keyboard still error. When i type 'e' it comes a date, when i type 'space' it comes space but with a '-', when i type "p" it got backspace-___-. Anyone help me, i've been trying find asus' keyboard driver but still not found it, even in official asus driver support. Help me, thankyou. Asus X455LA, Windows 10 x64

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