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Can't startup.
same specs other machine work successful (Licenced version)
Why?

Spine Launcher 1.9.00-trial
Windows 7 x86 6.1
Java 1.7.0-u6-unofficial Oracle Corporation
OpenJDK Server VM
Up to date: 1.9.15
Spine 1.9.15 Trial, LWJGL
Error starting Spine.
An unexpected error has occurred:
　　...continued
spine.log

@hnishikawa Different reason than the original poster of this thread. Nate who is the programmer on Spine will look into it early next week. Are you using multiple monitors ?

No, single monitor.
environment attached.
DxDiag.txt

Hmmm, please try renaming the prefs.json file and then see if you can start up Spine after doing that.
This thread viewtopic.php?f=9&t=904 has information on where to find the prefs file (it's in the same folder as the spine.log)

Resolved.
Thanks!