Sorry you are still having trouble. We haven't seen this problem occur, so it's hard for us to be more helpful. For us, Spine runs correctly from the command line.
Please try the full path to Spine.exe:
"C:\Program Files\Spine\Spine.exe"
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help
Nothing should appear because Spine.exe starts Spine and returns, with all output being printed to the spine.log file. Look in your spine.log afterward and you should see the help printed there.
Please delete your spine.log file and then start with this command:
"C:\Program Files\Spine\Spine.com"
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help
Does the spine.log file get created again? If not, it means something stopped Spine from running very early in Spine's start up process.
When you run Spine from the command line without specifying .exe or .com, Windows will choose .com. Spine.com starts using a connection to the command line so it can print the output to the command line (and also to spine.log). It's otherwise identical to Spine.exe. If Spine.com doesn't work, there may be some problem with your Windows command line. If you have any anti-virus or anti-malware software, be sure to try turning it off.
Does the editor start if you don't specify any parameters?
"C:\Program Files\Spine\Spine.com"
Hopefully one of these things will provide us with a clue so we can fix the problem.
