Hi @yns.asbane
Thank you for providing a photo of the error you encountered when installing ONYX 4.30.
On your PC, please delete any files in the “C:\ProgramData\Obsidian Control Systems\Onyx\DataStorage” folder and run the installer again.
Please let us know if you have any questions.
Edward
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Thank you so much its work
Excellent - thank you very much for confirming that solved the issue. Please let us know if there’s anything else we can help with.
Edward