Solution 1 - Alternate authorization method
Typically, this error can be resolved by entering the license an alternate way.
Invalid serial number and/or authorization code - (PC)- Launch SketchUp Pro.
- In the Welcome window, click Start using SketchUp.
- Click Help > License > Authorize.
- Copy and paste your license information into the white Authorization box.
- Launch SketchUp Pro.
- In the Welcome window, click Start using SketchUp.
- Click SketchUp > License.
- Copy and paste your license information into the Authorization box.
Solution 2 - Ensure license matches correct version of SketchUp Pro
Check that your license corresponds to the correct version of SketchUp Pro. You can tell by looking at the first letter of the serial number:
- "M" - SketchUp Pro 8
- "L" - SketchUp Pro 7
- "K" - SketchUp Pro 6
Solution 3 - Ensure license matches correct Operating System (OS)
At this time, SketchUp Pro licenses aren't cross-platform compatible. For example, a SketchUp Pro license for Windows won't work on Mac OS X version of SketchUp Pro. You can tell which version of SketchUp your license supports by looking at the last letter of the serial number:
- "W" - Windows version of SketchUp Pro.
- "m" - Mac OS X version of SketchUp Pro
