shortcut \ for highlight can't work

Hello, on pc, trying to use High shortcut, can't do it:

to get the character [ \  ], i need to use [ ctrl alt ] + [ \ ] and this brings me to encoder display shortcut. Makes me keyless for Highlight, so i have to pass by virtual keyboard (or macro, or ms or else), which can be boring. Am i the only one issuing this? Any hope that this shortcuts moves?

(by the way, a great thing would be to be able to edit shortcuts, but this might problematic wish?)

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