Welcome to the Adobe Forums.
The more information you supply about your situation, the better equipped other community members will be to answer. Please supply the following Information where applicable:
• Adobe product and version number
• Operating system and version number
• Browser and version number (where applicable)
• The full text of any error message(s)
• What you were doing when the problem occurred
• Screenshots of the problem (if possible)
• Computer hardware, such as CPU; GPU; amount of RAM; etc.