(after dong all the things below I realized that I don't actually click on the Browse button but in the blank box with "select filename"
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try finding the folder with your charts in a separate Explorer window
click on the location line
and in this example I get
E:\daytrading\ES
cntl C to copy this and keep it somewhere like notepad.
Then when you want to upload a file paste the folder location in the window - instead of hitting browse.
Don't know t it work or not....