I worked for a PC repair and custom build company for years and watched the outrageous pricing for this kind of support. I love doing this and enjoy even though I cannot see the OP knowing that they are happy to have their problem resolved.
I use Firefox also and have done alot of research on flash player and as you said something has changed with Adobe and the links but also with the software itself. There are lots of recent posted issues with this.
I will continue to research and hopefully be able to find a fix that has been successful for everyone. Thank you again for your assistance with this issue.