Try these methods in order. Method 3 is the most successful for modern Windows users.
Once fixed, avoid updating your GPU drivers via Windows Update (use manufacturer tools instead) and never allow Windows to "automatically repair" the program. Encore CS6 is fragile, but with these fixes, you can keep authoring DVDs for years to come. Try these methods in order
Licensing communication errors between Encore and Adobe’s servers. Step-by-Step Fixes for Encore CS6 1. The "Launch Premiere Pro" Trick but with these fixes
I can provide specific or compatibility settings based on your setup! Try these methods in order
The error explicitly mentions "royalty serialized mode." To force Encore into royalty mode: