Problem with comma and period keys

[Windows 11]

Sometimes when I open up my computer, when I try to type either a comma or a period a little blue number appears by the cursor instead. It goes up to 9 when I type a periods, and down from 9 when I type a commas. It doesn't happen every time I log into my computer which is really strange but its very annoying because I cannot use the comma or period symbols when this happens. It is only with those 2 keys.

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