This Odinstalowywanie aktualizacji icon is made in Material Design style developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 4,300 icons, all in the same style and quality.
The image is a horizontal line that curves up and both ends then stops. It looks like a long letter U. Centered above the line is an arrow. The arrow is vertical and points straight up with the base near the line but not touching it.