Digital signature is invalid or missing.

      Hinweis: SketchUp 2015 ist da! Wenn Sie diese Knowledge Center-Artikel betrachten, achten Sie darauf, "SketchUp 2015" von das rote Feld oben zu holen, um 2015-Version dieser Inhalte zu sehen. Existiert keine Version-Picker, gilt diese Inhalte für alle Versionen von SketchUp.

SketchUp has a digital signature imprint from Verisign, so if you receive a message that there is an invalid digital signature or no digital signature, the likely cause is that installation file was corrupted during download.

In that case, clear your browser's cache, and then try the download again. Note: It can take up to 30 minutes to clear the cache.