Without being able to see the current state of the GIMP brush window, I cannot confirm if it is closed or not. To determine if the brush window is closed, you can look at the top menu bar of the GIMP software to see if the brush window option is selected or not. If the brush window is not visible on the screen, you can try reopening it by going to the "Windows" menu and selecting "Dockable Dialogs" followed by "Brushes." **

To remove adhesive residue and window paint from a window, you can start by using a razor blade to carefully scrape off the paint and adhesive. Be sure to hold the razor blade at a shallow angle to avoid scratching the glass. Next, apply a small amount of rubbing alcohol or acetone to a clean cloth and gently rub the affected area to help dissolve and remove the remaining residue. Finally, wash the window with a mixture of warm water and mild dish soap to remove any remaining traces of adhesive or paint. **

To paint a window correctly, start by cleaning the window thoroughly to remove any dirt, dust, and grime. Next, use painter's tape to mask off the edges of the window frame to protect the glass and ensure clean lines. Then, apply a primer to the window frame to help the paint adhere better. Once the primer is dry, use a high-quality paint and a small brush to carefully paint the window frame, working from the inside out. Allow the paint to dry completely before removing the painter's tape. **

To paint a marble window sill, you will first need to clean the surface thoroughly to remove any dirt, dust, or debris. Next, you should sand the surface lightly to create a rough texture for the paint to adhere to. Then, apply a primer specifically designed for use on marble surfaces. Once the primer has dried, you can apply a high-quality acrylic paint in the color of your choice. Be sure to use a paintbrush with soft bristles to avoid scratching the marble surface. Finally, apply a clear sealant to protect the paint and give the window sill a glossy finish. **

To paint a brown wooden window white, you will first need to prepare the surface by cleaning it thoroughly and sanding it to create a smooth surface for the paint to adhere to. Next, apply a primer specifically designed for use on wood surfaces to ensure proper adhesion of the white paint. Once the primer has dried, you can then apply multiple coats of white paint, allowing each coat to dry completely before applying the next one. Finally, finish off with a clear sealant to protect the paint and give the window a polished look. **

To remove paint from a window pane, you can use a razor blade or a putty knife to carefully scrape off the paint. Make sure to hold the blade at a shallow angle to avoid scratching the glass. Another method is to apply a commercial paint remover or solvent to soften the paint before scraping it off. Remember to wear gloves and work in a well-ventilated area when using chemical paint removers. **

Mold-resistant wall paint is designed to protect surfaces from mold growth, including window frames. Look for paint specifically labeled as mold-resistant or mold-inhibiting, as these products contain additives that help prevent mold growth. When painting near window frames, be sure to properly prepare the surface by cleaning and priming it before applying the mold-resistant paint for the best results. **

To remove window paint from a bathtub, you can try using a mixture of warm water and mild dish soap to gently scrub the affected area. If that doesn't work, you can also try using a non-abrasive cleaner or a magic eraser to remove the paint. Be sure to test any cleaning solution on a small, inconspicuous area of the bathtub first to ensure it doesn't damage the surface. If all else fails, you may need to consult a professional for further assistance. **