This post is very old, but for the sake of future SAS users, there's a much easier method to fix this than has been suggested by other comments. Simply open any SAS script and press ctrl+f. Do not press or click anything else. You'll notice your SAS session now has a greyed window meaning the 'find' box HAS opened (just off screen). Now hold alt and press spacebar then 'M'. A multidirectional arrow will appear at the edge of your screen. Hold the relevant arrow key until the search box reappears on screen. Voila! Be sure to use your mouse to move the search box or else you'll need to repeat these steps.
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