W7 Memory Leak Crashes Computer

When I open Windows Task Manager it shows 5 FF processes running. As I open additional tabs more FF processes are added. If I view a streaming video (primarily YouTube vids) one or more of the tasks begin to consume very large amounts of memory. The longer I view the video the larger the memory consumed until it crashes FF.
Appears to be a major memory leak.
My FF is up to date. I use a USA W7 op sys with 8G of memory. Computer is a i7 Intel HP.
Any help will be greatly appreciated. gda608 AT gmail

Hello!

You may get more help with your issue via https://support.mozilla.org/

Hope this helps.

Spike