There can be infinite manners how something is not working (crashing? invisible? no action? slow? doing something else?).
In case the Select Tool is slow and you are by any chance using Windows 10 (guessed it®), this might be helpful:
There can be infinite manners how something is not working (crashing? invisible? no action? slow? doing something else?).
In case the Select Tool is slow and you are by any chance using Windows 10 (guessed it®), this might be helpful: