I think you should try to re-install DBP. Try this:
1. Backup this folder: C:\Program Files\Dark Basic Software\Dark Basic Professional\Compiler\certificates - that's your license
2. Backup your projects if there are any
3. Uninstall DBP
4. Delete folder C:\Program Files\Dark Basic Software
5. Use CCleaner to clean registry and temp folder (ccleaner.com, free)
6. Install DBP, plugins, restore certificates folder and projects.
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