Sometimes Protection of .jar file fails with error “Serious Internal Engine Error(12) and Serious Internal Engine Error (65535)” , this issue generally arises due to large size of .jar files.
Below are some suggestions that can be applied:
- Remove those classes from the .jar file that are not required to be protected.
- Protect the .jar file with only those classes which are required to be protected.
- Include the unprotected .class files again in the protected jar file.