Like this:
Somehow the shortcut to the Chrome executable has been outfitted with extra parameter (how do you suppose that happened).
Find the icon/shortcut where you are launching Chrome (maybe under All Programs), right click it and choose Properties and look at the shortcut Properties Target box:
Yours probably looks like this:
Remove the part that says:
"--extensions-on-chrome-urls"
Then click OK to save the changes, closing the dialog box and launch Chrome again.