Click on Go and then Go to Folder, or hold ⇧ Shift+⌘ Cmd+G.  This will uninstall the Dropbox, the contextual menu from your system (if you have it installed).
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One-sentence summary -- Open your Finder. Type in /Library and press Go. Delete the DropboxHelperTools file by moving it to the Trash.

Q: Rub off stains immediately either with a damp cloth and gentle soap or brush off (if it's soot, dirt, etc.). Some stains can be removed using a bristle brush, especially when they're new. The sooner the item is attended to, the better. If not, proceed with deeper cleaning techniques. Every two weeks, you should dry mop your limestone floors. If you have limestone countertops, you should also clean them with a dust absorbent fabric every other week. There are plenty of cleaning supplies that specialize in efficient, dry cleaning. You could use a dust mop on a table or countertop as long as the mop is clean. For areas around the house that get heavy foot traffic, use rugs, mats, or runners. Consider spots near doorways or hallways leading to a door. Most stains occur from dirt and mud tracked onto the floor. You should also have outdoor mats to wipe your feet off before entering your house. For the limestone table and countertop users, use coasters! Limestone is susceptible to ring stains and watermarks. Prevent any damage by having plenty of coasters available for you or your guests. Place hot cooking supplies on protective mats. Similar to the condensation cups, the heat produced off hot plates can stain and damage your surfaces too.
A: Clean spills immediately. Do a regular cleaning. Use doormats and runners. Use coasters and pads.

Article: . Make your favorite cupcake recipe and bake as many as you'd like to decorate. Try vanilla, strawberry, chocolate, or coffee flavored cupcakes. Just make sure that you let your cupcakes cool completely on a wire rack before frosting or decorating them. For a sophisticated cupcake, try swirling together vanilla and chocolate cupcake batter. This will make a marbled effect. Place 1/2 cup of shredded coconut in a sealable sandwich bag. Add a few drops of blue food coloring to the coconut. Seal the bag and shake it. Look at the coconut and decide if you'd like it to be a brighter blue. If so, add another drop or two of food color and shake the bag. If you've made your blue coconut too bright for your liking, just add some more white shredded coconut to the bag and shake it again. Take an offset spatula and use it to scoop some blue frosting onto the tops of your cupcakes. Use the flat part of the spatula to spread the frosting evenly over the entire top of each cupcake. If you don't have an offset spatula, you could use a plain butter knife, a rubber spatula or a small spoon. Open your bag of blue coconut and dump it into a small bowl. Hold each cupcake near the bottom and turn them upside down. Dip the tops of the cupcakes into the blue coconut and twist them around so that the frosting is completely coated in blue coconut. Be gentle when rolling the cupcakes in coconut. If you're too forceful, you might rub the frosting off into the bowl. Dab a pea-sized amount of frosting on the backs of the white chocolate buttons. Stick two white chocolate buttons on each cupcake for the eyes. Take your tube of black icing and squeeze little circles on the buttons to make the pupils. You should also use the tube to squeeze a mouth onto each cupcake. Placing a little icing on the back of the chocolate buttons will help them stick to the coconut. Carefully use a sharp knife to cut a line where the mouth is. Place one small chocolate chip cookie directly into this cut so that only half of it sticks out of the mouth. If you'd only like to use half of a cookie, break the cookie in half and insert it just a little way into the cupcake.
Question: What is a summary of what this article is about?
Make the cupcakes Make blue coconut. Frost the cupcakes. Roll each cupcake in blue coconut. Decorate the eyes and mouth. Place a cookie on the Cookie Monster cupcakes. Finished.

Problem: Article: In order to properly apply a clear coat to wood, you want to work in an environment with as little dust as possible. Good lighting, such as natural light or bright artificial light, will enable you watch out for streaks and bubbles in your work.  Good ventilation is crucial. Crack a window to let fresh air in. If you're working in a small space, you may want to prop an exhaust fan in the window. Face the fan out to pull vapors from the room and blow them outside.
Summary: Work in a clean room with good ventilation and lighting.

Article: As with washing, drying flannel sheets with too high a temperature may lead to shrinkage and pilling. To prevent this, always select the lowest available heat setting, or simply let your sheets tumble dry. It will take longer, but it will be worth it to preserve the comfortable feel of your bedding. Give yourself plenty of time to get your laundry taken care of so you won’t have to worry about soggy sheets at bedtime. If space permits, you might also choose to dry your flannel sheets by hanging them up. After removing the sheets from the washer and wringing out any excess water, stretch out the sheets to expose as much surface area as possible and hang them on a clothesline or drying rack.  Save money on your energy bill by getting the sheets started in the dryer, then letting them finish air drying. If it’s a nice day, you can speed up the drying process by placing the damp sheets in direct sunlight. Not only will the warmth of the sun help them dry faster, sunlight also makes a great natural disinfectant and deodorizer. Once your sheets are dry, you can put them right back on your bed, or neatly fold them and stash them in the linen closet until cold weather comes around again. Leaving them to sit in a pile makes them more susceptible to wrinkles.  Be sure to check your bedding for large pills, lint and loose threads.  Give the sheets a good shake to fluff them up before making the bed.
Question: What is a summary of what this article is about?
Dry the sheets on low heat. Allow the sheets to air dry. Replace or put away the sheets.