Rub it with a damp cloth. I doubt very much that it penetrated the paint.
There is no drywall glue. -If you are referring to mud (drywall compound), you scrape the lumps off at the end of each day and then wash your clothes. It always comes off.
fastest is to scrape it off.
Possibly if you get enough of if off it will work, but I wouldn't risk it personally.
Scrape it very carefully with a broad wood chisel held almost parallel to the drywall. You may have to fill with some caulk or mud. -Alex ll makes an excellent filler for small areas of drywall.
Wet it totally, then when it is softer , scrape it with a sharp edged wooden spatula.
Yes paint comes off a car but only if you scrape it against something.
It has to be cut off.
Scrape it carefully with a razor blade
Drywall mud is water based. Rub the area with a wet sponge or rag and let the water work on the drywall mud. As the mud gets wetter it will come off. Be sure the water will not damage the underlying window frame before you start.wash it with warm water with a green and yellow scrubbing sponge
Scrooged! Scrape 'em off Claire.
Yes.
Try to peel it off after it drys. If you are lucky it will only take the paint off with it. If it is stuck to the paper, you will have to repair the drywall.