*** Moderator Note: Question now moved from Getting Started space to Forms space. Whilst the Getting Started space is a great place to introduce yourself and learn about using the community, it's not the place to ask produce related questions. In future, please try and find the correct product space to ask your question.
You operating system
Which browser and version are you using?
In addition to Yoonas questions,
1. What is the version of jre used by the EBS instance,
2. What is the version of java on your desktop client?
Verify if compatibility mode is set.
Please answer questions from Yoonas and Imu.
Also please let us know what prevents you from opening forms - is it error message? If yes, please provide screenshots and error messages.
Please check if the following article helps you: