It's time for 3D Basecamp! September 21st - October 1st - We'll do our best but we may be not be able get back to you as quickly as you're used to. Please expect some delay in responses.

Digital signature is invalid or missing

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.

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