My Adobe Dreamwaver CS6 12.0.3 SW gives error 213:11 when started
Full message is
A problem has occurred with the licensing of this product . Restart your computer and re-launch the roduct.
If this problem still occurs after restrting contact Customer Support for further assistance and mention the error code shown at the bottom of this screen
See if anything here helps: https://helpx.adobe.com/creative-suite/kb/error-licensing-stopped-windows.html
If not, you can contact Adobe Customer Care directly by going here: https://helpx.adobe.com/contact.html