Welcome to Justanswer.com, my name is Dustin.I'm sorry to hear about the issue you are having, I will do my best to help you resolve it.
It may be a bit simpler and easier if you and I connect through a secure remote assistance. With that, I will be able to connect to your computer from here and work on repairing the issue personally. This can save a lot of time and if your not very fluent with computer repairs this is the best option.Our secure remote assistance is guaranteed meaning if I cant solve the issue then you will be entitled to a full refund of all fees. Would you like to try a remote assistance session or would you prefer to continue via written support alone?Thank you for your response,Dustin S
Allright, to fix this issue you need to make sure that you download, open and in stall the Java update for Lion. You can get it from t his link
Once downloaded, m ake sure you open it and install it.
Once installed, restart your mac and then test Aperture.
Let me know if youre still having troubles, or if everything is working now.
My apologies for the delay in getting back to you Jerry. Ive been away from work recently.
You should try this step next, and let me know the results.